Towers Climb: Participants scale up thousands of steps in honor of lives lost in 9/11

Hundreds of people put their endurance to the test Sunday morning at the seventh annual Towers Climb.

Related Keywords

Manhattan ,New York ,United States ,Chris Burke , ,One World Observatory ,Towers Climb , 11 ,9 11 Stair Climb ,One World Trade ,26 11 Attack ,Terrorism ,Terrorist Attack ,11 Event ,Twin Towers ,Fdny ,Firefighters ,911 Memorial , 11 Stairs ,