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"The date was 1-2 February 1959 , nine experienced hikers ventured into the Ural Mountains of Russia. They were trained and prepared . They had done this before. But something happened on that frozen mountain that has never been explained. Their tent was found ripped open from the inside. Their bodies were scattered across the snow. Some had broken bones. One was missing her tongue. And all of them had died in temperatures of minus 30 degrees… without their clothes on. This is the Dyatlov Pass I