Motorcross rider Travis Pastrana, of the US, jumps his bike over a hovering helicopter in front of the Sydney Harbour Bridge October 28, 2009. Pastrana performed the stunt to promote a new television show

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DEFYING death by being a stuntman - it's a crazy way to earn a living

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Stuntmen hang from a helicopter during the filming of a TV commercial in Sydney

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A scene from the 1968 film Stuntman

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Daredevil rider Craig Jones and stuntman Wing Chui cling victory with a "front wheelie" at the 2002 European Motorcycle Stunt Championships in the Czech Republic

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A Mitsubishi driven by Taiwanese stuntman Ke Shouliang is airborne during its successful jump across the Yellow River in China's Shaanxi province

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A stuntman dressed as Spider-Man leaps from a hurtling vehicle to another during a show at the Xinhualu Stadium in Wuhan, China
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Perth stuntman Ray Baumann lifts off with his Falcon panel van towing a cabin cruiser boat at Ravenswood Raceway south of Perth

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Paul Heasman in guise of silent film actor Harold Lloyd, hanging from face of clock in London during a re-enactment of the sequence from 1923 film Safety Last

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Canadian stuntman Jay Cochrane nears completion of his world record for the highest and longest wire walk above China's Yangtze River

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Robbie Knievel is airborne above the Grand Canyon during a successful 68m world record jump in 1999

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These are some unbelievable photos, few of those seem fake ones, but overall extra ordinary stuffs. Specially the cliff images.