Once you have seen the sweet moves of a Parkour skilled cruising at high-speed through the city, pushing fencing and tables at will and going from walls to walls, you might get a wishing to begin learning some Parkour for yourself.
Parkour is a name given to the ninja-like method going around challenges with rate, efficiency, and a usually an excellent deal of grace. The excellent thing is that the fundamentals of Parkour are fairly primary – operating, going up, going down, going over, etc. – but the trick is to be able to then do all of those techniques one after another, and keep upright and going.