A regular person looks at the city around them, and they see concrete and glass, maybe a little fancy architecture to catch the eye. Not this man. I know only his name, and that is David Belle. He is a practitioner of the art of parkour, the expression of flow and grace through movement. He is an adept, in body and mind:

http://www.lookatentertainment.com/nneu231.../vids/v-489.wmv
http://www.le-parkour.com/usa.parkour.mpg