via archdaily.com
If you get vertigo than it's probably best not to go the new Glass viewing balconies at the Sears Tower. The floor is 1.5" thick and has a breaking point of 5 tons. It's a long way down.
If you get vertigo than it's probably best not to go the new Glass viewing balconies at the Sears Tower. The floor is 1.5" thick and has a breaking point of 5 tons. It's a long way down.
