Ripley's did a piece on the Yamakasi years ago around 2001. They are a parkour group in the south suburbs of Paris. They were the first parkour group and started off the whole parkour phenomenon but now members have left and others have joined. This clip is rare becasue I done it myself. Couldn't find it anywear.

**Update**

The old Parkour/David Belle - Free Running/Sébastien - L'art du Deplacement/Yamakasi arguments are arising in the comments area. There are also a few ridiculing them. Just keep in mind that these guys are a lot more ordinary then the other guys in ripleys and do something a lot more useful.

A comment which is good guideline

AndrewTraceur:

"Parkour is the discipline that David Belle founded, but the Yamakasi always say they practice "L'art du Deplacement". For example, take the underbars at 1:44; not completely efficient but still an expressive movement nonetheless."

I agree with this comment and it's accurate but I have heard David Belle say it's all the same thing I have also heard the yamakasi say it's all the same thing. They just call it diffrent names.

One thing which you can also note from the clip is that the yamakasi movement was a lot diffrent from the sterotypical parkour. There were none of the typical vaults that one would see in most parkour clips.

Here is a clip from an old zorro movie which clearly shows that parkour has been done before, 70 years before.

http://www.youtube.com/watch?v=yaBud6ii5Wk
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I have also come across this very yamakasi clip on metcafe and I'm uncredited :( .... I have checked again and I was :) (less info)