FEMA Images World Trade Center Destruction

New York, NY, October 5, 2001 -- The clean-up operation continues all through the week and weekend, with thousands of tons having been removed already. Photo by Andrea Booher/ FEMA News Photo

New York, NY, October 5, 2001 -- Rescue workers continue their efforts at the World Trade Center. Photo by Andrea Booher/ FEMA News Photo

New York, NY, October 5, 2001 -- Rescue workers continue their efforts at the World Trade Center. Photo by Andrea Booher/ FEMA News Photo

New York, NY, October 5, 2001 -- Rescue operations continue day and night at the World Trade Center. Photo by Andrea Booher/ FEMA News Photo

New York, NY, October 4, 2001 -- An aerial view of the recovery operation underway in lower Manhattan at the site of the collapsed World Trade Center. Photo by Andrea Booher/ FEMA News PhotoNew York, NY, 

October 4, 2001 -- An aerial view of the recovery operation underway in lower Manhattan at the site of the collapsed World Trade Center. Photo by Andrea Booher/ FEMA News Photo

New York, NY, September 29, 2001 -- An aerial view of the recovery operations underway at the World Trade Center. Photo by Michael Rieger/ FEMA News Photo

New York, NY, September 27, 2001 -- The remaining section of the World Trade Center is surrounded by a mountain of rubble following the September 11 terrorist attacks. Photo by Bri Rodriguez/ FEMA News PhotoNew York, New York, NY, New York, NY, New York, NY, 

New York, NY, September 27, 2001 -- An aerial view of the rescue and recovery operations underway in lower Manhattan at the site of the collapsed World Trade Center. Photo by Bri Rodriguez/ FEMA News Photo

September 24, 2001 -- These rescue workers are dwarfed by the enormous pile of rubble at the site of the World Trade Center. Photo by Michael Riger/ FEMA News PhotoNew York, NY, 

September 22, 2001 -- The wreckage at the World Trade Center is slowly being cleared away. Photo by Michael Rieger/ FEMA News Photo

September 21, 2001 -- Smoke still billows from the remains of the World Trade Center. The clean up operation is expected to take months. Photo by Michael Rieger/ FEMA News Photo

September 18, 2001 -- The Woolworth Building rises behind the rubble of the collapsed World Trade Center. Photo by Michael Rieger/ FEMA News Photo

NY,New York, NY, September 17, 2001 -- FEMA Urban Search and Rescue teams work to clear rubble and search for survivors at the World Trade Center. Photo by Andrea Booher/ FEMA News Photo New York City, NY, 

September 16, 2001 -- Fire fighters and Urban Search and Rescue teams work amidst the rubble of the collapsed World Trade Center. Photo by Andrea Booher/ FEMA News PhotoNew York, NY, 

September 16, 2001 -- More than a million tons of rubble must be dealt with at the World Trade Center. Photo by Andrea Booher/ FEMA News Photo

September 14, 2001 -- President Bush addresses rescue workers at the site of the World Trade Center disaster. His message was one of encouragement for the hundreds of rescue workers at the site. Photo by SFC Thomas R. Roberts/ NGB-PASE

New York, NY, September 13, 2001 -- The airplane alert antenna sits firmly in the ground amidst the rubble. Originally it was on the roof of the World Trade Center. Photo by Andrea Booher/ FEMA Photo NewsNew York, NY, New York, 

NY, September 13, 2001 -- Clean up of the wreckage at the World Trade Center continues. Photo byAndrea Booher/ FEMA News Photo

September 13, 2001 -- Urban Search and Rescue teams inspect the wreckage at the World Trade Center. Photo byAndrea Booher/ FEMA News Photo