National Geographic releases emotional trailer for new 9/11 special, '9/11 Reunited'
"That day, someone risked their life to save my life." Survivors of the 9/11 terrorist attacks tell their stories and are reunited with those who helped save them in "9/11 Reunited," premiering Aug 21 on Nat Geo and streaming next day on Disney+ and Hulu.
National Geographic
