Ang Rita Sherpa, a Nepalese alpine guide who was the first person to climb Mt. Everest 10 times, died Monday morning, mountaineering officials said. He was 72.Ang Rita, nicknamed snow leopard, achieved the feat between 1983 and 1996 without supplementary oxygen.Of the 10 summits, one was in fall when even the most hardened climbers avoid the mountain because of significantly higher risks than during the more preferred spring climbing season."It is a major loss to mountaineering," said Temba Tsheri Sherpa, who climbed Mt. Everest at the age of 16 in 2001, setting the world record for the you…READ FULL ARTICLE