CNN New Day Saturday May 31, 2014 11:23:00
In front of their eyes. they feared the ledge was about to fall to the ground. >> because you can see through it obviously, you have the psychological effect that, you know, oh, my gosh, something broke. nobody was ever in danger. >> reporter: the engineer, michael swanberg, says there's a thick panel of glass that didn't break. designed to withstand 10,000 pounds, or 5 tons of weight. we watched as crews replaced the thin layer above it that caused such a scare. so this is the new sheet of glass that will go on the sky deck. if you look here you can see exactly how thin that is. crewing tell ...
Source: archive.org