The images of the September 11 terrorist attacks will be forever etched in our memories. However, never-seen-before images released by the NYPD reveal the true magnitude of the attack. Captured high above the horror on a police helicopter, the following 12 images show the utter devastation and the bravery of the emergency personnel to try to save survivors in the crumbling buildings.
AP / NYPD via ABC News, Det. Greg Semendinger
Smoke billows from the grounds of World Trade Center in New York after terrorists flew two airliners into the towers on Sept. 11, 2001, which was released by the New York City Police Department on Tuesday Feb. 9, 2010.
AP / NYPD via ABC News, Det. Greg Semendinger
Smoke billows from the grounds of World Trade Center in New York after terrorists flew two airliners into the towers.
AP / NYPD via ABC News, Det. Greg Semendinger
White ash covers the downtown area near the grounds of World Trade Center in New York, after terrorists flew two airliners into the towers.
AP / NYPD via ABC News, Det. Greg Semendinger
Smoke billows from a World Trade Center tower in New York, after terrorists flew two airliners into the towers.
AP / NYPD via ABC News, Det. Greg Semendinger
The first World Trade Center tower begins to implode in New York, after terrorists flew two airliners into the towers.
AP / NYPD via ABC News, Det. Greg Semendinger
A World Trade Center tower implodes in New York, after terrorists flew two airliners into the towers.
AP / NYPD via ABC News, Det. Greg Semendinger
Smoke and ash engulf lower Manhattan after terrorists flew two airliners into the World Trade Center towers.
AP / NYPD via ABC News, Det. Greg Semendinger
Smoke and ash engulf the general area of the World Trade Center in New York after terrorists flew two airliners into the towers.
AP / NYPD via ABC News, Det. Greg Semendinger
Smoke and ash engulf lower Manhattan after terrorists flew two airliners into the World Trade Center towers
AP / NYPD via ABC News, Det. Greg Semendinger
Smoke and ash rise above downtown high-rise buildings and engulf lower Manhattan after terrorists flew two airliners into the World Trade Center towers.
AP / NYPD via ABC News, Det. Greg Semendinger
Smoke and ash rise as a World Trade Center tower burns at left center, after terrorists flew two airliners into the World Trade Center towers.
AP / NYPD via ABC News, Det. Greg Semendinger
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