Progress on the ground zero transit hub is underway, including the underground rail tunnels. So how will the crew keep the Memorial Plaza from crushing the tunnels below? Rising - Rebuilding Ground Zero: How to Lift 120 Tons of Steel More Videos Online

Rising - Rebuilding Ground Zero: How to Lift 120 Tons of Steel

Progress on the ground zero transit hub is underway, including the underground rail tunnels. So how will the crew keep the Memorial Plaza from crushing the tunnels below?

Added: Sep 10, 2010
Views: 78686 Views
Runtime: 02:36

 
Advertisement
 
 

Shop Discovery Channel

 
 
 

our sites

video

 

mobile

shop

stay connected

corporate