25 سال پیش، یک فضانورد ناسا شاهد حملات غم انگیز 11 سپتامبر از فضا بود. این چیزی است که او دید.

25 years ago, a NASA astronaut witnessed the tragic 9/11 attacks from space. Here's what he saw.

NASA astronaut Frank Culbertson saw the immediate aftermath of the 9/11 attacks from the International Space Station in 2001. His view and his reaction were captured on video.