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This is nuts: Watch Russian adrenaline junkies perform daring tricks atop a 40-story building

Daredevils “OlegCricket” and Ilya Bagaev scale the side of a 40-story building in Russia. Somersaulting and leaping around the edges, this video may make you a bit queasy. 

Produced by Emma Fierberg. Video courtesy of Associated Press.

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