A combination photograph shows (top) the World Trade Center towers and the lower Manhattan skyline in this August 30, 2001 file photo; and (bottom) the same vantage point about 11-years later on September 10, 2012. REUTERS/Enrique Shore (top), Eric Thayer (UNITED STATES - Tags: DISASTER ANNIVERSARY CITYSPACE TPX IMAGES OF THE DAY)
A combination photograph shows (top) the World Trade Center towers and the lower Manhattan skyline in this August 30, 2001 file photo; and (bottom) the same vantage point about 11-years later on September 10, 2012. REUTERS/Enrique Shore (top), Eric Thayer (UNITED STATES - Tags: DISASTER ANNIVERSARY CITYSPACE TPX IMAGES OF THE DAY)
