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Dead Mountain: The Untold True Story of the Dyatlov Pass Incident, by Donnie Eichar

Infrasound had been used by Nazi Germany to stir up anger and strong emotions in crowds assembled to hear Hitler speak.

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Dead Mountain: The Untold True Story of the Dyatlov Pass Incident

Dead Mountain: The Untold True Story of the Dyatlov Pass Incident

by Donnie Eichar

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