That’s Dave Megerle, a member of the Wiss, Janney, Elstner Associates “Difficult Access Team,” hanging rappelling ropes at the top of the Washington Monument, nearly 555 feet off the ground. Megerle and the team are rappelling down the sides of the Monument today to inspect it for earthquake damage.

Now, if you don’t have sweaty palms while looking at this photo, you’re less of a scaredy cat than I — and you’ll also probably also want to watch a video of Megerle climbing out of an observation window: