NEW YORK, NEW YORK - SEPTEMBER 07: The Tribute In Light shines into the sky from Lower Manhattan during a test on September 07, 2021 in New York City. Honoring the victims of the September 11, 2001 attack that killed almost 3,000 people at the World Trade Center, the Tribute in Light is a commemorative public art installation that was first presented six months after 9/11 and then every year since on the anniversary. New York City is preparing to mark the 20th anniversary of the September 11 terrorist attacks.
As the 20th anniversary of 9/11 approaches, take a look at five documentaries that tell the tale of the heart-wrenching event of September 11, 2001. From these documentaries, you will see exclusive interviews with heroes and witnesses as well as the historical impact of this tragic event.