Pictures from the September 11 attacks are presented for the first time! (photo)

The US Secret Service released footage for the first time on the occasion of the twentieth anniversary of the September 11, 2001 attacks, which were carried out by Al-Qaeda
Terrorist attack against the World Trade Center in New York City, killing thousands.
These pictures show part of the destruction inflicted on the city, as a result of the collapse of the two towers that were hit by two planes driven by terrorists.