Heavy equipment is shown lining a street in lower Manhattan, with the remains of the collapsed World Trade Center complex in the background, Thursday, Sept. 13, 2001. World Trade Center Building 7 collapsed Wednesday as a result of structural problems from the terrorist attack on the World Trade Center's Twin Towers, Tuesday. (AP Photo/The New York Times, Jim Estrin, Pool)
Gallery: The Sept. 11, 2001, terrorist attacks
Sep. 10, 2011 @ 07:19 PM
On Tuesday, Sept. 11, terrorists hijacked airplanes and used them to destroy the Twin Towers in New York City and damage the Pentagon in Washington, D.C. One of the planes crashed in a field in rural Pennsylvania.
Excluding the 19 hijackers, the death toll stands at 2,998 with 24 more presumed dead,