According to its founders Parkour is the art of moving fluidly from one part of the environment to another. It may also be known as: the art of movement, free running, urban-running or obstacle coursing. Parkour consists of finding new and potentially dangerous ways to traverse the city landscape. The activity is a way of using obstacles in one's path in order to perform jumps and acrobatics. It involves the scaling of walls, roof-running and leaping from building to building.