Rescue worker remove a man from one of the World Trade Center towers in New York City, early September 11, 2001. Both towers were hit by planes crashing into the buildings and collapsed a short time later. REUTERS/Shannon Stapleton (Reuters)
A man walks in the street near the World Trade Center towers in New York City, early September 11, 2001. Both towers were hit by planes which crashed into the buildings, which collapsed shortly after. REUTERS/Shannon Stapleton (Reuters)
Rescue workers remove a man from the World Trade Center tower in New York City early September 11, 2001. Both towers were hit by planes crashing into the building. Victims from the attack on the World Trade Center -- many suffering from extensive burns -- began arriving at hospitals in New York City about an hour after two planes slammed into the twin towers, witnesses said Tuesday. REUTERS/Shannon Stapleton (Reuters)
A New York City ambulance burns in the street near the World Trade Center tower in New York City September 11, 2001. Both towers were hit by planes crashing into the building. REUTERS/Shannon Stapleton (Reuters)
Secret Service agents inspect luggage from members of the media travel pool on the tarmac next to Air Force One Tuesday morning, Sept. 11, 2001, at Sarasota/Bradenton International Airport in Sarasota, Fla. Photo by Steve Nesius (AP)