Epic Parkour Fail Compilation – Watch more Funny Videos
Could not say it better then the guy who uploaded that video:
Each of these guys gets an A for effort and an icepack for the result.

More cool Parkour Stuff: Straight Up Walking & Parkour Artist
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Bwoah @ minute 0:42! This guy is amazing. Those parkour guys are the best thieves. Open window at the 4th problem … not safe!
Video Link: Amazing Parkour
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