394261 77: Smoke spews from a tower of the World Trade Center September 11, 2001 after two hijacked airplanes hit the twin towers in an alleged terrorist attack on New York City. (Photo by Mario Tama/Getty Images)
394261 77: Smoke spews from a tower of the World Trade Center September 11, 2001 after two hijacked airplanes hit the twin towers in an alleged terrorist attack on New York City. (Photo by Mario Tama/Getty Images)