394375 15: Early morning light hits the smoke and wreckage of the World Trade Center September 13, 2001 in New York City, two days after the twin towers were destroyed when hit by two hijacked passenger jets. (Photo by Chris Hondros/Getty Images)
394375 07: Rescue workers sift through the wreckage of the World Trade Center September 13, 2001 in New York City, two days after the twin towers were destroyed when two hit by two hijacked passenger jets. (Photo by Chris Hondros/Getty Images)
394375 09: An American flag, erected by rescue workers, stands in the wreckage of the World Trade Center September 13, 2001 in New York City, two days after the twin towers were destroyed when two hit by two hijacked passenger jets. (Photo by Chris Hondros/Getty Images)
394375 11: New York City police officers gather at the wreckage of the World Trade Center September 13, 2001 in New York City, two days after the twin towers were destroyed when two hit by two hijacked passenger jets. (Photo by Chris Hondros/Getty Images)
394375 05: A worker wipes his brow in the wreckage of the World Trade Center September 13, 2001 in New York City, two days after the twin towers were destroyed by two hijacked passenger jets. (Photo by Chris Hondros/Getty Images)
