It's not a big surprise that Twenty One Pilots drummer Josh Dun is in great shape, but it's not just because he's the drummer of TOP either!
Josh trains a lot while on the road and he trained at a very familiar spot prior to the band's Philly show the other night. When in Philly you have to be a tourist and hang at the "Rocky steps," right? And that's exactly what Josh did!
He took to Instagram to show that he actually boxed at the Art Museum steps with a few pictures AND a video! Super cool! Check out Josh's post: