The Gateway Arch in St. Louis, MO is designed to sway up to 18 inches in either direction. The Willis Tower, formerly the Sears Tower in Chicago, can sway 3 feet in either direction. And astonishingly, if you’re at the top of the Burj Khalifa in...
The Gateway Arch in St. Louis, MO is designed to sway up to 18 inches in either direction. The Willis Tower, formerly the Sears Tower in Chicago, can sway 3 feet in either direction. And astonishingly, if you’re at the top of the Burj Khalifa in...