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The man in the photo above is French moto trials rider Julien Dupont, and he's basically nuts.

His sponsor, Red Bull, convinced him to take part in the company's latest stunt, which involved him riding the full length of Mexico City's Montaña Rusa wooden roller coaster.

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Built 50 years ago, the giant structure winds along for three quarters of a mile and is 108 feet tall at its highest peak. A ride for a normal paying customer costs 20 pesos, with the experience being described as fast and brutal.

Dupont attacked the coaster on his bike, stunting all the way, and captured it all for posterity via a helmet-mounted GoPro.

It's a thrill ride...on a thrill ride. Just watch: