Photos: Aerials of September 11 attack
Credit: (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
The photos were obtained by ABC News after it filed a Freedom of Information Act request last year with the National Institute of Standards and Technology, which investigated the collapse.
Other Photos
Remains of England's King Richard III found under parking lot
White House Christmas decorations through the administrations
Photos: Remember their sacrifice, honor their memory
A look back: September 11 attack on the Pentagon
NYC's 'Tribute In Light' is tested night before Sept. 11th anniversary
Photos: Flight 93 flag for Canby 9/11 memorial
Related:
Photos: World Trade Center Progress
Facing 9/11 'aftershocks,' U.S.faces critical decisions, Lugar says 
September 11th coloring book for kids causes controversy
US kills Osama bin Laden decade after 9/11 attacks
KY Congressman: Honor U.S. military at death of Bin Laden
Paul: Bin Laden was 'most grievous enemy' of U.S.
Coats Statement on Death of Osama Bin Laden
