2 mountain climbers break separate records on Mount Everest
Arthur Muir, 75, became the oldest American to reach the peak of Mount Everest, while Tsang Yin-Hung from Hong Kong set the record for fastest ascent on Mount Everest by a woman.
Arthur Muir, 75, became the oldest American to reach the peak of Mount Everest, while Tsang Yin-Hung from Hong Kong set the record for fastest ascent on Mount Everest by a woman.