9/11: Then and Now

9/11: Then and now
The twin towers of the World Trade Center burn behind the Empire State Building, Sept. 11, 2001. (Marty Lederhandler/AP)

One World Trade Center is seen towering above the landscape downtown behind the Empire State Building, Sept. 8, 2015. (Gordon Donovan/Yahoo News)



The World Trade Center collaspes after being struck by a hijacked American Airlines Boeing 767, originating from Boston's Logan Airport, and a United Airlines 767, also hijacked in Boston. Trinity Church can be see in the foreground. (Photo by Robert Rosamilio/NY Daily News Archive via Getty Images)


The new World Trade Center buildings and the steeple of Trinity Church are seen from Broadway and Rector Street, Sept. 5, 2015. (Gordon Donovan/Yahoo News)


9/11: Then 
Smoke, flames and debris erupt from one of the World Trade Center towers as a plane strikes it on Sept. 11, 2001. The first tower was already burning following a terror attack minutes earlier. Terrorists crashed planes into the two buildings and collapsed both towers. (Chao Soi Cheong/AP)


9/11: Now
A view from Park Row looking toward where the World Trade Center towers stood, Sept. 3, 2015. Two 9/11 Memorial pools, of the north and south towers, occupy the space today. (Gordon Donovan/Yahoo News)


9/11: Then...Women wearing dust masks flee across the Brooklyn Bridge from Manhattan to Brooklyn following the collapse of both World Trade Center towers, Sept. 11, 2001. The towers previously loomed tall in the skyline behind. (Mark Lennihan/AP)


9/11: Now
New Yorkers and visitors enjoy a beautiful day crossing the Brooklyn Bridge toward Manhattan on Sept. 4, 2015. (Gordon Donovan/Yahoo News)