The Vehicle Assembly Building at NASA's Kennedy Space Center (KSC).

At 129,428,000 cubic feet (3,665,000 m3) it is one of the largest buildings in the world by volume. The building has the largest doors in the world, each door is 456 feet (139.0 m) high, has seven vertical panels and four horizontal panels, and takes 45 minutes to completely open or close.

 

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