Here's our obligatory don't try this at home warning.
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Although, if this guy hadn't tried this at home, we wouldn't have had this fist-clenching footage of him leaping from the roof of one building to another. We probably shouldn't worry too much about anyone daring to attempt this at home though -- just watching this is enough to give you a case of vertigo.
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The daredevil used a GoPro HD Hero3 camera to film his perspective (and terrify those of us with a fear of heights).
The mysterious man said he was doing the stunt as a training tool for American Ninja Warrior. But seriously, he needs to quit his day job and head over to Marvel to pose for his own comic book. He doesn't even need a radioactive spider and a web full of Green Goblins and Mary Janes.
Hope you can sew, buddy -- no one becomes a vigilante without a cape.
This story originally published on Mashable here.