From Wikipedia: Parkour is a physical discipline of French origin in which participants attempt to pass obstacles in the fastest and most direct manner possible, using skills such as jumping, vaulting and climbing, or the more specific parkour moves. The obstacles can be anything in one's environment, so parkour is often practiced in urban areas because of many suitable public structures, such as buildings, rails, and walls. A traceur is a participant of parkour. Parkour is a physical discipline inspired by human movement, focusing on uninterrupted, efficient forward motion over, under, around and through obstacles (both man-made and natural) in...