I'm a big fan of parkour, aka free running, and have written about it here before on MNN, naming it a top green extreme sport.

I was blown away yesterday with a post on Boing Boing with a video from 1930 showing a dude running parkour. It's remarkable how close it is to its modern analog.

Compare that to modern day parkour.

Are you on Twitter? Follow me (@sheagunther) there; I give good tweets.

And if you really like my writing, you can join my Facebook page.