Climbers head home as Everest Sherpas refuse to work

By Andrea Oschetti, for CNNUpdated 29th April 2014
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Take a look at a few interesting facts about the highest mountain in the world.
CNN's Michael Smerconish talks about the latest avalanche tragedy and the role of sherpas in climbing Mount Everest.
Mount Everest has had it's most deadly ever accident. But the summit would be forever out of reach without Sherpas.
Mount Everest sherpa Jamling Tenzing Norgay discusses the cancelling of the ascents after an avalanche killed 16 sherpas