[TheOtherOne]

Plumes of smoke pour from the World Trade Center buildings in New York Tuesday, Sept. 11, 2001. Planes crashed into the upper floors of both World Trade Center towers minutes apart Tuesday in a horrific scene of explosions and fires that left gaping holes in the 110-story buildings. (AP Photo/Patrick Sison)

[TheOtherOne]

One tower stands after the other collapsed at the World Trade Center after planes crashed into the buildings, in New York on September 11, 2001. REUTERS/Peter Morgan