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A mountaineer has made history by becoming the first person to ski down Mount Everest without the use of supplemental oxygen, expedition organizers confirmed Thursday.

Polish national Andrzej Bargiel’s achievement is also being hailed as a landmark moment in the world of extreme endurance sports.

Bargiel, 37, summited the world’s highest peak at 29,032 feet Sept. 22 before putting on his skis and starting his big descent.

“I am on top of the highest mountain in the world, and I’m going to descend it on skis,” Bargiel said in a video posted to his Instagram page before pushing off from the snowy summit.

OLYMPIC BIATHLON CHAMPION LAURA DAHLMEIER DIES AT 31 IN PAKISTAN MOUNTAIN CLIMBING ACCIDENT

According to AFP, Seven Summit Treks, the Nepal-

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