The Death Zone Above 8,000 m / 26,000 ft

фото: The Death Zone Above 8,000 m / 26,000 ft

Dunk • Solukhumbu • 17-05-2010  

Описание: In mountaineering, the death zone refers to altitudes at which the pressure of oxygen is insufficient to sustain human life for an extended time span: This altitude is generally agreed as 8,000 m (26,000 ft), where atmospheric pressure is less than 356 millibars. The concept was conceived in 1953 by Edouard Wyss-Dunant, a Swiss doctor, who called it the lethal zone en.wikipedia.org/wiki/Death_zone Picture of the Hillary Step and Mount Everest by Debasish biswas kolkata via Wikimedia Commons w.wiki/B3T7

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