Flying Squirrels!

I went skydiving once when I was younger and stupider. It was quite a thrill. However, I can't imagine how crazy this must feel, especially the clips at about 2min and 3min in of people skirting cliff walls and peaks by what looks like less than 30 feet or so. Hairy.

wingsuit base jumping from Ali on Vimeo.

via BoingBoing.