Tourists Take the Plunge

New extreme sports is called canyoneering or canyoning, but some call it crazy.

Extreme Tourists Go Grand Canyoning!

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At the River: As they arrive at the first pool, ABC's Scott Shulman and Jeffrey Kofman take advantage of the scenery and stop to tape an on-camera portion of their report on canyoning for ABC's " Nightline. " Pachamagua's Alfonso Spoliansky holds a reflector to cast additional light on Kofman. (Wonbo Woo/ABC News)
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