In 1959, in the Ural Mountains, Russia, 9 students set out on a cross-country skiing expedition never to return. Known as 'The Dyatlov Pass Incident, the students met a horrific fate which has become one of the most frightening and mysterious unsolved cases to date. The native people - the Mansi - nicknamed the region Kholat-Syakhl (Mountain of the Dead) after 9 of their warriors met a similar fate, in the same area, years before.
This video segment is from the History Channel's Ancient Aliens series. This video has some disturbing images. Murder, alien encounter, military experiment gone wrong? What do you think?
Further Reading- Mountain of the Dead: The Dyatlov Pass Incident