Cars drive by on Wacker Drive as seen from The Ledge, a series of glass bays that extend out from the103rd floor Skydeck of the Sears Tower in Chicago on July 1, 2009. The Ledge, which opens to the public on July 2, gives visitors a uniquie view of Chicago from the 4-foot glass extensions including the view 1,353 feet straight down. (UPI Photo/Brian Kersey)