Glass Floor Of Chicago's Tallest Building Shatters Under Visitor's Feet.
By @jimchandler1075
Chicago's Famed Willis Tower, Formerly Sears Tower, Up For Sale
Luckily no one was hurt on the 103rd floor of Willis Tower (formerly known as the Chicago Tower) as the protective coating on the glass for shattered, sending sightseers scrambling to get back inside the building.