Hoverboarding Madman on Edge of Skyscraper Will Renew Your Fear of Heights

Daredevil or fool? You decide.

A video of a guy casually hoverboarding atop a skyscraper in Dubai has been making the rounds...and could potentially make you sick when you see just what he's doing.

According to Deadspin, the guy pulling off this stunt is Russian, although one wrong move and he'd be part of the nation of splat.