Willis Tower Skydeck Has Cracks in Glass....... AGAIN

For the second time in only five years, tourists at Chicago's Willis Tower were terrified when glass underneath them on the 103rd floor Skydeck cracked into pieces.

The glass is part of a protective layer and officials at the tower insist no one was in any danger.

At 1,451 feet, the former Sears Tower is the second-tallest building in the United States.



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