Sky9: Red Rocks Amphitheatre stair climb honors firefighters who lost their lives on 9/11
The annual 9/11 Stair Climb at Red Rocks on 9/11/2019 begins at 9:02 a.m., the moment when the south tower was hit by a plane 18 years ago. The annual event honors the 343 FDNY firefighters and almost 3,000 other Americans who died 18 years ago.