In the freezing winter of 1959, deep within the Ural Mountains of the Soviet Union, nine hikers mysteriously lost their lives in what is now known as the Dyatlov Pass Incident.
Their tents were torn apart from the inside, belongings were left behind, and the hikers were found with strange injuries that baffled investigators.
Some had broken ribs, others had fractured skulls, and one hiker was even missing a tongue.
For decades, this tragedy has remained one of history’s most chilling unsolved mysteries, giving rise to theories about avalanches, military experiments, and even extraterrestrial encounters.
In this video, Biography Plus takes you through the shocking details of the Dyatlov Pass Incident and why it continues to haunt historians and researchers today.
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