WATCH: Son carries on his father’s legacy who helped people escape the South Tower on 9/11

9/11 survivor Luann O'Rourke-Boyd talks to NBC News' Tom Llamas about her escape from the Twin Towers after a stranger picked her up from the 30th floor.

Rob Fazio, founder of the nonprofit “Hold the Door,” shares how he continues to celebrate his father’s heroic legacy 25 years after the 9/11 attacks.

A 9/11 photo captured Officer Ramon Suarez carrying Crystal Tyson to safety. Twenty-five years later, she returns with his family.

Editor's note: This piece was originally published on September 11, 2016. My father recalls watching the North Tower burning from the 100th floor up and thinking to himself, “How would they put this out?” I grew up in Rockland County, New York, and Dad used to work in the city, styling himself as…