La Cienega Park and Recreation Center in Beverly Hills, California, is slated for a transformational new master plan by Culver City–based architecture firm Johnson Favaro. Unfolding over the next several years, the 17-acre park will gain a brand new indoor recreation and tennis center, aquatics center, community space, pre-school, as well as 12 acres of sports fields and open green spaces. Opened in 1925, the original park design was novel as it incorporated a water treatment plant with an open public green space. The plant, which was the first on the West Coast to offer municipally-softened water to the community, was designed in a Hacienda architectural style, but fell out of use as larger regional water systems took over the Beverly Hills requirements. But while the plant was discontinued, the park remained very much alive. In 1986, landscape architect Patrick Hirsch proposed a redesign of the park to shift its land use from the majority open space of the original layout to a more “active” layout that included the organized sports fields that were in demand at the time for the surrounding community. The new elements planned by Johnson Favaro continue this trend towards a more “active” parkland, as customized spaces will become more and more important for after-school activities, community gathering, and the arts.Architecture is a main focus of the master plan, with the architects at Johnson Favaro designing two new indoor facilities for the site. A 30,000-square-foot recreation center will house 3 basketball courts, 16 tennis courts (8 indoor, 8 outdoor situated on the facility’s roof), and encompass the indoor sections of the aquatic center. The 25,000-square-foot community center will accommodate multipurpose rooms, art and dance studios, classrooms for educational programming, as well as a teen center. An advanced stormwater retention system will also be installed below the park and new structures, facilitating drainage and limiting runoff.Cars will also be accommodated with two above- and below-grade parking structures located on either side of the boulevard, with space for 600 vehicles. However, the park is set to be accessible via public transit as well, with entrances within walking distance from the purple line of the LA Metro currently under construction. Construction is set to begin as early as 2021 and is expected to be completed by 2023.
Humans have been using fabric to create shelter for thousands of years. If a set of groundbreaking researchers and designers have their way, however, applications of textile-based architectural elements have the potential to play an important role in shaping the future of enclosures as well.
Across scales and methods of application, research into the use of textile-based elements in architecture has increased over the last 15 years as professional and university teams in Europe and the United States have embraced robotic weaving applications, custom-designed carbon fiber textiles, and experimental fabric facades. With an eye toward wrapping ever-larger structures, creating unique sensory experiences, and engineering a more sustainable future, new applications of fabrics have the potential to change the face, look, and feel of architecture as we know it.
Fiber Composite DomeInstitute of Building Structures and Structural Design
Universities in Germany are leading the charge, especially at the Institute of Building Structures and Structural Design (ITKE) in Stuttgart, where Professor Jan Knippers has developed methods for creating textiles from bendable composite elements, including carbon and glass fibers.
Knippers is currently working on develop- ing the latest iteration of his Elytra pavilion, a Fiber Composite Dome prototype structure that will make its debut at the National Garden Show in Heilbronn, Germany, later this year. The 40-foot-wide dome is made of woven glass carbon fiber elements connected only by steel washers and bolts. To create the pavilion, Knippers has designed a geometric array of 60 resin-impregnated fiber body assemblies that come together to distribute structural loads from the dome elegantly and efficiently. The precision-driven arrangement also extends to the size and organization of each strut’s individual carbon fibers, which are robotically arranged into place, baked in an oven until stiffened, and finally assembled into taut spanning assemblies. When erected into the final spherical shape for the pavilion, a secondary shell made of ETFE polymer is added on top for protection from the elements.
CRC1244 DemonstratorInstitute for Lightweight Structures and Conceptual Design
Building-scale research is also taking place in Germany, where Dr. Walter Haase, managing director of the Collaborative Research Center (CRC1244) at the Institute for Lightweight Structures and Conceptual Design (ILEK) in Stuttgart is really pushing the envelope.
Fourteen university-based research teams are working there to develop ways to “create more living space with less material” by using fabric-based facade and building elements to drive innovation in overall building design. The group is currently building a 120-foot experimental modular tower that will serve as a testing site for new fabric-based facade and building technologies that could transform the way buildings are designed, fabricated, used, and even recycled.
The elemental steel strut and concrete tower exists to test out new material approaches for each of its square-shaped levels, with a specific focus on folded surface structures, innovative processing of conventional fabrics, geometrically deformable structures, and origami-inspired folding structures that can be used to create lightweight sandwich panels. The tower is designed with flexibility in mind so that fabric-based facades developed by academic and industrial project partners can be tested and switched out as necessary in the coming years.
In terms of real-world applications, fabric-based architectural strategies are coming to lighting as well, especially in the realm of stadium design, where membrane materials like PTFE and other custom fabrics are used to wrap wide and often curvilinear stadium geometries with ease.
The Populous-designed Allianz Field soccer stadium in Minneapolis, for example, features an 88,000-square-foot transparent and laminated custom PTFE fabric facade created in partnership with fabricator Walter P Moore specifically for this project. Stretched over a parametrically designed steel rib substructure, the fabric facade is backlit with 1,700 emotive LED lights that can be programmed to glow for various occasions.
Populous is also behind the Daily’s Place Amphitheater and Flex Field project in Jacksonville, Florida, a unique dual-use space that blends a performance amphitheater with a practice football field. There, fabric roof panels are hung from steel trusses that frame the space. The outer steel structure allows for a monolithic fabric ceiling that can be bathed in LED light.
Social Sensory ArchitecturesLab for Material Architectures
At the University of Michigan A. Alfred Taubman School of Architecture and Urban Planning, for example, Sean Ahlquist is working across disciplines and with industrial and corporate partners to develop articulated material structures and design approaches that “enable the study of spatial behaviors and human interaction.” Ahlquist’s research focuses on using computational design and fabrication to create structures and spaces that move “beyond materialization” to focus on “sensing, feedback, and engagement as critical factors of design exploration,” according to a recent scholarly article he wrote.
Using CNC knitting, hybrid yarns, and other digital fabrication techniques, Ahlquist’s research team is able to generate pre-stressed lightweight structures, innovations in textile-reinforced composite materials for aerospace and automotive design, as well tactile sensory environments that can act as “interfaces for physical interaction.”
A recent project for Exhibit Columbus in Columbus, Indiana, creates custom textile micro-architectures by manipulating fibers and stitches to generate “instrumentalized, simultaneous structural, spatial, and sensory-responsive qualities” in fabric structures that can be used by children with autism to filter and manage multiple sensory inputs.
Zaha Hadid Architects' (ZHA) 2022 FIFA World Cup stadium, a billowing, nautically-inspired venue in the coastal city of Al Wakrah, Qatar, is now open to the public.
Together with AECOM, ZHA drew on the shape of dhows, long, thin traditional sailing boats, to create the swooping curves of the Al Janoub Stadium’s roof. When the 40,000-seat soccer stadium (collapsible to 20,000 after the World Cup) was first revealed, however, commentators were quick to point out its yonic shape and textures. The supposedly fleshy creases are formally meant to reference large sails, while the curved sections are supposed to approximate dhows turned over on their hulls to provide shelter.
Adding further complexity to the roof are the pleated panels that cascade down the sides of the building, connecting at the eaves to bronzed lattices on the lower stories. The lower screens visually depart from the white and off-white panels above, but also reference traditional Islamic crafting techniques through their shape and metallic cover.
Inside, the stadium was designed to passively cool its patrons. The fully-operable polytetrafluoroethylene (PTFE) roof, designed by Schlaich Bergermann Partner unfurls along a cable track to protect spectators and players from the harsh summer sun.
The underside of the roof continues the nautical styling of the stadium’s exterior, with a coffered ceiling that meets circular, steel rigging at the center that’s crisscrossed with speakers, lights, and screens.
Al Janoub Stadium sits on top of a new landscaped podium, with large voids cut into the structure to allow for at-grade entry and vehicle access.
Completed in March 2019, Allianz Field is a 346,000-square-foot soccer stadium located centrally between Minneapolis and St. Paul, Minnesota. The project was executed by Populous, Walter P Moore (WPM), Mortenson Construction, and FabriTec Structures, and it features a facade of woven fiberglass clear-laminated with polytetrafluoroethylene (PTFE)—effectively a tensile membrane capable of shielding the audience from the elements while transmitting twice as much light as other PTFE membranes.
According to the design team, the client initially approached Populous and Walter P Moore to produce a stadium with a translucent facade. The group was aware of a clear PTFE laminate being developed by French manufacturer Saint Gobain—now known as Illuminate 28—and facilitated the shipment of moderately sized samples from the company. These samples were used to construct a 6-by-6-foot mockup with the material to gauge its tensile and lighting qualities. The design and construction of the stadium occurred as the facade material was being developed.
ConsultantWalter P Moore
LocationSt. Paul, Minnesota
PTFE-coated fiberglass membrane suspended over steel structural system
The enclosure system of the stadium consists of three interconnected layers: the exterior skin of PTFE-laminated fabric, a secondary backup system of steel driver pipes and armatures, and a circular colonnade of steel columns.
In abstract terms, this enclosure system sounds simple enough. However, unlike rigid cladding materials, the tensile strength of fabric is ultimately determined by the 3-D shape it is stretched into. “We never knew if our fabric shapes would work or not from an engineering standpoint until after the design was complete,” said Populous associate principal Phil Kolbo. “To achieve the design, Populous and WPM had to set up a cohesive process that could design, test, and modify the supporting steel quickly and iteratively to satisfy both the design and engineering requirements of the skin.”
In total, over 90,000 square feet of fabric wrap the stadium. Due to budget constraints, the design team had to maximize the spans between structural components. Utilizing Rhino and Grasshopper 3-D imaging software programs, WPM created nearly 50,000 analysis elements to locate sites where the fabric was overstressed. This information was then exported from Rhino to Tekla software and delivered to the steel fabricator.
“Once we had a fabric and driver pipe design, then it was supporting the process throughout getting the owner, Mortenson, and FabriTec comfortable with the material and construction process,” said Walter P Moore principal Justin Barton. “It started in February 2016 and went all the way through FabriTec’s final installation and punch list in late 2018, nearly 24 months of continual conversation.”
Populous Associate Principal Phil Kolbo, Walter P Moore Project Manager Justin Barton, Mortenson GC Project Engineer Nate Weingart, and FabriTec Structures Executive Vice President Tom Wuerch, will be joining the panel "Stadium Rising: The Complexities of Allianz Field’s Woven PTFE Facade" at The Architect's Newspaper's upcoming Facades+ Minneapolis conference on July 24.
Michael Van Valkenburgh (MVVA)’s vision for Buffalo’s expansive new waterfront park has finally been unveiled. Stretching 92 acres along the shore of Lake Erie, the Ralph C. Wilson, Jr. Centennial Park will be a verdant hub of cultural and recreational activity that connects downtown Buffalo to the city’s Lakeview neighborhood.Designed in collaboration with the Ralph C. Wilson, Jr. Foundation, the organization that donated $50 million towards the project, the park is a major beautification effort for the City of Buffalo. The foundation worked alongside MVVA, the city government, as well as the University at Buffalo Regional Institute over the last two years to engage different communities surrounding the existing 77-acre LaSalle Park—the landscape that the new project will overtake—to create a new and dynamic playspace for the lakeside city.MVVA’s initial aerial renderings reveal multiple shifts in the topography throughout the site, which, as it exists today, is fairly flat to accommodate straight views as well as room for sports.In a former interview, Van Valkenburgh told ANthat this flatness would generally remain in the firm’s design proposal because “there’s a kind of wonderful, almost magical concept of playing at the edge of a lake,” he said. “At the same time, we’ll likely want to add some topography to the landscape to allow people to get to a higher level over the water to see Buffalo’s famous sunsets.”In keeping with the original functions of LaSalle Park, the upgraded landscape will include many baseball and soccer fields, as well as pools, playgrounds, and promenades with those uninhibited views of Lake Erie. Large-scale lawns, reminiscent of those found in Brooklyn Bridge Park, will also be integrated into the design so that families can picnic, play frisbee, or go sledding during Buffalo’s snowy winter. In addition, the design team has proposed what appears to be a peninsula built of terraced rocks where Buffalo residents can connect directly with the water—something the old park was lacking according to Van Valkenburgh.While this first set of visuals showcases the size and scope of the park project, it doesn’t yet include details on where or how these topographic changes will occur. However, a key component of the plan is that the Ralph C. Wilson, Jr. Centennial Park will enhance the landscape directly surrounding the city’s historic pumping station (to the northwest of the park), as well as extend a branch of parkland across Interstate I-90, connecting into Lakeview. Van Valkenburgh said he plans to create some sort of noise buffer around the roadway to keep a peaceful tone within the landscape.Right now, a large-scale model of the landscape design is touring the city and locals can view the vision up close. On Thursday, it’s heading to the LaSalle Park Pool Building.
On April 4 and 5, Facades+ is returning to New York for the eighth year in a row. Organized by The Architect's Newspaper, the New York conference brings together leading AEC practitioners for a robust full-day symposium with a second day of intensive workshops led by manufacturers, architects, and engineers.
Doriana and Massimiliano Fuksas, and Toshiko Mori are respectively leading the morning and afternoon keynote addresses for the symposium. In between the keynote addresses, representatives from Renzo Piano Building Workshop, Permasteelisa, Cooper Union, Gensler, Heintges, Atelier 10, Transsolar, Walter P. Moore, Schüco, Frener & Reifer, and Behnisch Architekten, will be on hand to discuss recently completed innovative projects.
New York-and-Frankfurt based practice 1100 Architect is co-chairing the conference. In anticipation of the conference, 1100 Architect's Juergen Riehm sat down with AN to discuss the firm's ongoing work, the conference's program, and trends reshaping New York City's built environment.
The Architect's Newspaper: It is safe to say that New York City is undergoing a tremendous period of growth. What do you perceive to be the most exciting trends within the city?Juergen Riehm: You’re right; New York City is undergoing big change and growth. I would say that one of the big drivers of that change—and one of the exciting trends—is the investment in the city’s public spaces. There has been such transformation along the waterfronts and in parks across all five boroughs, and that has really catalyzed growth. We have worked with several city agencies for many years and in different ways, including with the Department of Parks & Recreation, which has been an exciting partnership, contributing to these changes. One of the projects we currently have in design for NYC Parks is a new community center in East Flatbush, Brooklyn. There, we are designing a 33,000-square-foot community center. The facade will perform in a number of ways. Since it is a community center, we want it to be as open and transparent as possible, and it also needs to be robust and durable. The building is on track to meet the city’s new sustainability standards LL31/32 and LEED Gold.
There has been so much attention on new large-scale developments like Hudson Yards or the supertall towers in Midtown, but one of the other exciting trends right now is the renewed attention on optimizing the performance of existing buildings. It is something we will address during Facades+ NYC, but there is great work happening now on restorations of historic buildings—at the Ford Foundation or the United Nations, for example—that not only addresses decades of wear and tear, but that also brings these structures up to full 21st-century performance standards.
AN: 1100 Architect is based in both New York and Frankfurt. What are the greatest benefits of operating a trans-Atlantic practice?JR: Our practice has always been deeply rooted in New York—just as it has also always had an international footprint. From our earliest days, we delivered projects overseas, so it seems like part of 1100 Architect’s DNA to have an ongoing dialogue with other geographies. We launched our Frankfurt office about 15 years ago, and, as you suggest, it does bring benefits. In general, we find that it has a reciprocal sharpening effect, with each location informing the other with different materials, technologies, and delivery methods.
AN: Which projects are 1100 Architect currently working on, or recently completed, that demonstrate the firm's longstanding demonstration of sustainable enclosures?JR: Well, the NYC Parks community center in East Flatbush is a good example. It’s an exciting project in many ways—including the fact that we are designing it to the City’s new LL31/32 sustainability standards. In every way, we are really pushing for optimal performance, and the high-performance envelope plays an integral role toward that end. We were recently awarded a contract with the U.S. Department of State, so we are poised to begin working on diplomatic facilities around the world, so the safety and security of facade systems will be a paramount consideration. In Germany, we are renovating a 19,000-seat soccer stadium and adding a new training facility, using an innovative and high-performance channel-glass facade. We recently completed a Passive House–certified kindergarten there, too, which involved a high-performance facade.
AN:Are there any techniques and materials used in Germany or the EU that should be adopted in the United States?JR: In Germany, I find that there is a more closely integrated relationship between government, the building industry, and the architectural profession. With environmental standards, for example, the goals set by the government are quite ambitious, and it has resulted in a closely integrated process of meeting those goals. In this moment of deregulation in the U.S., it seems like a good time to consider the value of the government’s role in moving toward energy efficiency.
AN: Where do you see the industry heading in the coming years?JR: By necessity, I see it moving toward higher standards of energy performance. Climate science is calling for it and the marketplace is increasingly looking for it, so the architecture and building industry will need to deliver. And as I mentioned at the start of this conversation, I also think there will be a lot of focus on updating existing buildings to enhance performance.
Further information regarding the conference can be found here.
On Sunday, all eyes will be on Atlanta’s Mercedes-Benz Stadium, the new arena that, less than 18 months after opening, is hosting the biggest sporting event in the nation: Super Bowl LIII. The National Football League (NFL) championship game—this year between the New England Patriots and the Los Angeles Rams—will be played with an architectural backdrop unlike anything in the world.The $1.5 billion Mercedes-Benz Stadium is the most sustainable sports facility on earth. It is LEED Platinum and the only stadium of its kind with a kinetic, retractable roof. Designed by HOK in collaboration with BuroHappold Engineering, the building broke ground in 2014 and officially opened in August 2017 during the Atlanta Falcons’ pre-season. The sculptural structure replaced the 25-year-old Georgia Dome which was demolished the previous month.Ahead of the game this weekend, here’s everything you need to know about the 2-million-square-foot Mercedes-Benz stadium:Situated in downtown Atlanta, the Benz (as locals call it) houses 71,000 seats for NFL games and 32,456 seats for Major League Soccer games. It features a motorized scrim attached to the roof structure that can cover several sections.Designed to emulate the Pantheon in Rome, it features a semi-transparent retractable roof that’s nicknamed “the oculus” that lets sunlight into the interior. Bill Johnson, design principal of HOK’s Kansas City office, said this “literal out-of-the-box” thinking was what won the over Falcons’ owner Arthur Blank who bankrolled the project. “We wanted to move away from the typical square roofs you see on most stadiums and come up with something that created energy in the middle,” Johnson said. “The vision was that the opening would create a very tiny pinpoint of light on the Falcons’ logo at the 50-yard line, and as the roof retracted, the spotlight would become bigger and bigger.”The stadium’s kinetic roof consists of eight, 200-foot-long triangular “petals” made of lightweight ETFE(ethylene tetrafluoroethylene). These petals are fixed to 16 individual tracks that can move at different speeds. The Benz now holds the record for the largest application of a single ETFE membrane in the world at 143,000 square feet. The angular facade of the Benz consists of wing-like sections made of insulated metal panels that wrap around the bowl. As a nod to the swooping wings found on the Falcons’ logo, these sections overlap one another and create a feeling of movement on the exterior. The base of the building features a floor-to-ceiling glass curtain wall that lets light into the facility during the day and serves as a 16-story panoramic window to the city. To Johnson, the success of Mercedes-Benz Stadium has been its ability to create social experiences for visitors. “Fans' tastes have changed and people want a big, game-day experience,” he said. “Some of it is driven by social media, and some of it is driven by younger fans who want to get up and move around throughout an event, gathering together and watching things from different angles.”Several aspects define the Benz as ultra-green. It’s powered by 4,000 photovoltaics, including an array of solar panels designed as carports. Alone, these generate 617 kilowatt-hours of energy each year for the stadium and the surrounding neighborhoods. According to Johnson, up to 10 NFL games can be powered with this amount of energy. Additionally, underneath the stadium is a 600,000-square-foot cistern that can hold up to 2 million gallons of rainwater. Johnson said the intervention has helped decrease flooding in this area of Atlanta, while simultaneously providing irrigation for local trees. One of the most impressive features of the Benz, according to Johnson, is the 360-degree halo scoreboard that wraps the oculus. It stretches 1,075-feet-wide and six stories high. Over 4,000 miles of fiber-optic cable support the ring-shaped screen, as well as the 2,000 televisions, and other technology found in the building.While this is the first time the Benz has hosted a Super Bowl, it’s the third time Atlanta has won the bid in 25 years. The city put out a proposal midway through the construction of the new stadium. Post-opening, its first big test came last month when it played host to the 2018 Chick-fil-A Peach Bowl. The college playoffs will come back to the Benz in late December and next year, it will host the NCAA Men’s Final Four.
For more, check out this timelapse of the Benz's build-out courtesy Earthcam.
Chicago’s unbuilt Lincoln Yards mega-development will no longer include a soccer stadium and entertainment district. Under pressure from constituents, Alderman Brian Hopkins of Chicago’s 2nd Ward has rejected developer Sterling Bay’s proposal to include a 20,000 seat United Soccer League stadium, as well as a series of large Live Nation–run entertainment venues. Live Nation will divest itself from the development, as will the United Soccer League and Chicago Cubs owner Tom Ricketts, who is the majority owner of a Chicago franchise. Alderman Hopkins has called for Sterling Bay to retool the project to bring more open space to the development in place of the stadium and venues, and bring a variety of smaller, scattered venues through the site, as well as restaurants and theaters. The public has yet to hear this proposal, despite Lincoln Yards' presence on the January 24 Chicago Planning Commission meeting agenda and confirmation from Mayor Rahm Emanuel that the project will "move forward on a balanced path," Crain's Chicago Business reported.
Expected to cost upwards of $6 million dollars, Lincoln Yards will transform nearly 55 acres of former industrial land along the Chicago River into a dense cluster of retail, office, and residential development, delivering a planned 5,000 residential units, 500 hotel rooms, a mile of new riverwalk, and an extension to the 606. Designed by SOM, the project is slated to include multiple skyscrapers reaching a height of up to 650 feet, making the overall height of the development as tall as some structures in the Loop. This isn’t the first time Sterling Bay has had to trim its plans for Lincoln Yards; community input dictated a decrease in the maximum height of the high-rise towers and an increase in publicly-accessible open space in response to a community meeting in November.
The move to ax Live Nation from the plan had advocates of The Hideout feeling cautiously optimistic as the Live Nation–run spaces could have threatened the independent venue and provided competition, despite Sterling Bay's commitment to keeping The Hideout a component of the Lincoln Yards plan. While Sterling Bay has agreed to provide opportunities for independent music operators to participate, concerns remain.
The City of Chicago introduced the Cortland/Chicago River Tax Increment Financing (TIF) district in November, which encompasses the entirety of the Lincoln Yards site. As Sterling Bay would be the primary property owner, it would be allowed to pay for the project and its future improvements through TIF funds, raising questions of the appropriateness of the new district, as TIF is intended to revive struggling neighborhoods. Members of the City Council Progressive Caucus have been advocating for a measure that would allow the city to provide TIF funds only to projects that cannot be completed without them.
Sterling Bay has also yet to address how many of the residential units will be considered affordable, or the demand the project will place on new schools. While some concerns regarding infrastructure and transportation have been addressed, area residents remain concerned about traffic and congestion, as well as the availability and equitability of public transportation.
Foster + Partners revealed renderings of the much-anticipated Lusail Iconic Stadium, an 80,000-seat soccer venue that will house the opening and final games of the 2022 FIFA World Cup in Qatar.The project, commissioned by Qatar’s Supreme Committee for Delivery & Legacy, will be situated within the center of the up-and-coming Lusail City, an under-construction modern metropolis set nine miles north of Doha. The British firm designed the centerpiece structure to mirror the ancient Arab craft of bowl weaving. It will feature a shimmery, gold palette wrapped around a slightly undulating exterior and a saddle-form retractable roof that will float above a concrete seating bowl. According to the architects, the stadium will boast a highly-efficient energy saving system, a requirement for FIFA World Cup constructions. Since Qatar’s climate is so intense, the building will help cool players and fans. Solar canopies will also hover over the parking and service areas to produce energy for the stadium and power the surrounding buildings.With Lusail Iconic Stadium, Foster + Partners joins the star-studded roster of studios that have designed projects for the tournament, including Zaha Hadid Architects and its controversial stadium in Al-Wakrah, which is near completion. Fenwick Iribarren Architects, a Spanish firm, is building a modular, 40,000-seat stadium made of repurposed steel shipping containers. After the tournament, the arenas are expected to be reused by the cities in which they’re built. The seats within Lusail Iconic Stadium, for example, will be removed and the structure will be used as a community space with room for shops, cafés, athletic and education facilities, as well as a health clinic. The project is slated for completion in 2020.
Is the United States becoming more serious about soccer? We think we have evidence to say that it is. AN’s most popular sports stories of 2018 center around the world’s greatest sport, telling us that this year’s uptick of soccer-related architecture news signals a newfound appreciation for the game in our country. Read on for several developments you should pay attention to, and other stories about why sustainable stadium design is also on the rise.David Beckham’s Miami soccer village reveals Arquitectonica’s designsMiami is set to receive its first Major League Soccer (MLS) team, backed by soccer superstar David Beckham who plans to build a 73-acre campus for the city called “Miami Freedom Park.” Arquitectonica revealed new renderings of the sports village, complete with a sweeping, 25,000-seat soccer stadium. In November, local residents voted to approve the project and its projected location on the city-owned Melreese Country Club golf course, meaning Beckham’s vision is one step closer to breaking ground.Nashville’s new $2 million soccer stadium takes shapeIn December 2016, MLS announced a major club expansion to four U.S. cities including Nashville, Tennessee. Though the southern city wasn’t sure it’d be awarded a new team, plans for a multimillion-dollar stadium project had been in the works for over a year. This February, HOK released its first renderings of the new stadium, which will be constructed inside the Fairgrounds, home of the Tennessee State Fair. Selecting the central site was a contentious process throughout 2017 when a lawsuit was filed citing the city had violated its charter by proposing the project on public grounds. 2026 World Cup preview: Which U.S. cities will host?As Qatar preps for the 2022 World Cup, the United States is on deck to host the 2026 games alongside Canada and Mexico. That’s exciting news for a country whose national team rarely makes it into the World Cup lineup—the joint bid automatically ensures us a spot. But what’s not yet official are the 10 cities that will host events. We know that 60 of the 80 planned matches will be played in the U.S., including those from the quarterfinals onwards, but currently, 17 cities are still in the running. Which top towns, along with their state-of-the-art stadiums (which are an integral part of the individual bid), will make the cut? We’ve listed all the contenders here from Atlanta’s new Mercedes Benz Stadium by HOK (host of the 2019 Super Bowl) to the classic Rose Bowl in Los Angeles.Naturally-ventilated Louis Armstrong Stadium debuts at US OpenAhead of this September’s US Open, the USTA Billie Jean King National Tennis Center finished a five-year, $600 million renovation project of its campus in Flushing, Queens, New York. The massive update included the buildout of the new Louis Armstrong Stadium, the world’s first naturally ventilated tennis arena with a retractable roof. Designed by Detroit-based firm Rossetti, the 14,000-seat stadium replaces the former Louis Armstrong Stadium, which was demolished after the 2016 championship. The new structure features the same stacked seating style as its predecessor but serves up extra sustainability with the exterior overlapping terracotta louvers that act as horizontal window blinds. New home of the Texas Rangers has a climate-controlling, retractable roofHKS has designed a new 41,000-seat baseball stadium for the Texas Rangers in Arlington, Texas, set to replace the old Globe Life Park in 2020. The aptly named Globe Life Field will be a glass- and brick-clad structure featuring new climate-controlling infrastructure and a retractable roof. HKS’s design for the 1.7 million-square-foot ballpark was inspired by the vernacular style of Texas farmhouse porches.BIG unveils designs for new Oakland A’s stadium featuring a rooftop parkLate this November, Bjarke Ingels Group (BIG) and the Oakland Athletics unveiled plans for a new baseball park and mixed-use campus in Oakland, California. Complete with a literally diamond-shaped stadium, the project is being pitched as a double-play for the city. It will feature an open and accessible landscape situated within Oakland’s underutilized Howard Terminal and will also include housing, recreational spots, and a business hub. Gensler and James Corner Field Operations will work alongside BIG to build out the mega-green space by 2021.