Parkour (also called Le Parkour, PK, or free running) is a sport in which participants attempt to clear all obstacles in their path in the most fluid manner possible. A couple of Latvian kids are amazing at this sport. See for yourself.
Ronaldinho juggles the ball around the penalty box then shoots the ball at the crossbar, catching the rebound 4 times without the ball hitting the ground. The amazing Ronaldinho!