A 2.33-mile (3.7-kilometer) network of access tunnels runs beneath the factory floor. This passage leads from the stairs at the factory's exterior to the public viewing balcony.
Take a tour of the largest airplane factory (photos)
Image 3 of 20
Seems they've loosened up a bit.
Last time I took that tour, cameras were verboten. Thanks for sharing.
Posted by JohnMcGrew@...
21st Jun 2011