Doors -

: Located at NASA’s Vehicle Assembly Building in Florida, these four doors are 456 feet high and take approximately 45 minutes to fully open or close.

: The village of Shani Shingnapur in India is famous for having no doors or locks on its houses, as residents believe their faith protects them from theft. Historical Evolution : Located at NASA’s Vehicle Assembly Building in

: In New York, it is technically illegal for a revolving door to rotate faster than 15 rotations per minute to maintain safety. : Located at NASA’s Vehicle Assembly Building in