Climbers, left, walk up the snow slope along the North Ridge of Mount Everest in this May 2006 file photo. New, restrictive plans China has for foreign media covering the Olympic torch's ascent of Mount Everest expose reporters to undue health risks and show Beijing's worries about reporting in tense Tibet, health experts and media groups said Wednesday, April 23, 2008. (AP Photo/Dave Watson, File)

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