With 2014 quickly receding into history, here's a look at what blog posts AN's readers clicked on most last month. Big international stories, many with starchitects attached, abounded in New York, London, Los Angeles, Helsinki, and Rio de Janeiro. All of December's top stories point toward the future, with many under-construction projects that will be sure to dominate additional headlines this year. Here's a glimpse at what was in the news. 1. Here’s how Santiago Calatrava’s New York City transit hub got its enormous $4 billion price tag. With the final rafter installed on Santiago Calatrava’s World Trade Center Transit Hub the New York Times has done a deep-dive on how, exactly, the long-delayed structure ended up costing close to $4 billion. Read more. 2. Bjarke Ingels joins Foster and Gehry for Battersea Power Station redevelopment. Bjarke Ingels is slated to join elder architectural statesmen Norman Foster and Frank Gehry at the Battersea Power Station in London. The multi-billion dollar, mixed-use redevelopment was originally master planned by, yes, another starchitect, Rafael Viñoly. Read more. 3. LA’s Westside Urban Forum hands Renzo Piano, Peter Zumthor Darth Vader Awards. It’s good to see some good old-fashioned roasting, and that’s what the Westside Urban Forum’s WUFFIES awards are all about. Read more. 4. One of these six firms will design the new Guggenheim Helsinki. Over 1,700 proposals were submitted in the Guggenheim Foundation’s open-call competition to design a new museum in Helsinki—and now, just six teams remain. Read more. 5. Zaha Hadid’s first Brazilian project ups the level of luxury on Rio’s beachfront. Zaha Hadid will lend her futuristic style to the strip along the Copacabana Beach in Rio de Janeiro, with an 11-story luxury condo building, dubbed Casa Atlântica—the first project in Brazil for the London-based architect. Read more.