People run from the collapse of the World Trade Center towers, Sept. 11, 2001, in New York. (AP Photo/Suzanne Plunkett, File) License this photo


Smoke billows from one of the towers of the World Trade Center and flames and debris explode from the second tower in New York, Sept. 11, 2001. (AP Photo/Chao Soi Cheong, File)



 


 A person falls from the north tower of New York’s World Trade Center on Sept. 11, 2001, after terrorists crashed two hijacked airliners into the World Trade Center and brought down the twin 110-story towers. (AP Photo/Richard Drew, File)

 


Two women embrace each other as they watch the World Trade Center burn following a terrorist attack on the twin skyscrapers in New York, Sept. 11, 2001. (AP Photo/Ernesto Mora, File)

 


A helicopter flies over the Pentagon as smoke billows over the building in Washington, Sept. 11, 2001. (AP Photo/Heesoon Yim, File)



Pedestrians in Lower Manhattan watch smoke billow from New York’s World Trade Center, Sept. 11, 2001. (AP Photo/Amy Sancetta, File)



Chief of Staff Andy Card whispers into the ear of President George W. Bush to give him word of the plane crashes at the World Trade Center, during a visit to the Emma E. Booker Elementary School, Sept. 11, 2001, in Sarasota, Fla. (AP Photo/Doug Mills, File)



Rubble and ash fill streets in Lower Manhattan after two hijacked airliners crashed into the World Trade Center’s twin towers, causing both towers to collapse, Sept. 11, 2001, in New York. (AP Photo/Boudicon One, File)



Pedestrians flee the area of New York’s World Trade Center in lower Manhattan on Tuesday, Sept. 11, 2001. (AP Photo/Amy Sancetta, File) 

 


 The remains of the World Trade Center stand amid the debris in New York, Sept. 11, 2001. (AP Photo/Alexandre Fuchs, File) 


 


 


 


 




 


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