February 2016

Can You Spot the Bridge?

What looks like a low ceiling at the left of the photo is the underside of a tied-arch bridge that carries the No. 1 subway through the hub without need for columns, which would have been cheaper and easier to employ. Mr. Calatrava said the solution strengthens security and improves navigability. But it also serves his penchant for structural drama. To stand beneath a column-free expanse while trains rumble overhead is to marvel.