Colorado firefighters will climb the stairs of a Denver skyscraper on 9/11 to honor their fallen colleagues. They will ascend 55 stories, in full gear, twice, to equal the 110 stories of the World Trade Center. 343 firefighters will make the climb. That's the number of firefighters who died in New York City on 9/11. Owen Bersagel-Briese is one of the founders of the Denver 9/11 Memorial Stair Climb. He spoke with us on the 10th anniversary about how it got started and became a national tribute.
