Never forget what happened on 9/11. The video below was used in the 9/11 Commission Report.
RARE VIDEO FROM GROUND ZERO ON 9/11:
Only 29 minutes passed between the two World Trade Center towers falling.
CBS News Photojournalist Mark LaGanga captured the eerie scene up close.
Eighteen years after the September 11th terrorist attack, the footage LaGanga captured provides a remarkable firsthand account of the moments after the two planes hit:
The entire video is below:
LaGanga walks around right after the first tower fell and then when the second tower fell.
CNN got the first report of a plane hitting the WTC: