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Inside the new station, travelers can finally get a look at the vaulted, ribbed underside of the famous (er… infamous?) structure, which looks like glowing ribs from the inside of the body of a bird. Although the first portion of the station opened last spring, until now, travelers couldn’t really see much of the new Calatrava ceiling. The entire space from ceiling to floor is wrapped in white marble, with clear glass fitting in between the ribs of the ceiling, giving the entire hub a bright, open and clean feel – a stark contrast to the usual dark, closed-in platform station that commuters around the country are familiar with.

Related: Tour 6 of New York City’s Most Incredible New Design Destinations

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The station is part of a grander transportation hub called the Oculus, a massive space that will host over 200,000 commuters and travelers every day. The hub sits on the World Trade Center space previously occupied by the Twin Towers and, with a cost of nearly $4 billion (more than 3X the original budgeted price), has become known as the most expensive train station in the world. Two more stations in the hub will open over the next few weeks, the existing temporary station that was built after the 9/11 attacks will be dismantled and removed.

+ Santiago Calatrava

images by Mike Chino for Inhabitat