394261 158: Smoke pours out of the World Trade Center after the twin towers were struck by two planes during a suspected terrorist attack September 11, 2001 in New York City. (Photo by David Surowiecki/Getty Images)
394261 158: Smoke pours out of the World Trade Center after the twin towers were struck by two planes during a suspected terrorist attack September 11, 2001 in New York City. (Photo by David Surowiecki/Getty Images)