Everybody knows what parkour is, right? The street sport that combines urban gymnastics with the forward motion of a drug dealer being chased by the cops? Well, here’s parkour like you’ve never seen it. Serene Teh is a graphic design student in Singapore who put this clever animation together for a class assignment. It took her four weeks to complete–two weeks of planning, two weeks of execution. If she doesn’t get an A, we’re gonna have to track down the professor…