Bartek Ziemski: Ski descent from Everest following ascent without breathing mask
He did it again. According to the Nepalese expedition operator Seven Summit Treks, Polish ski mountaineer Bartek Ziemski reached the summit of Mount Everest at 8,849 meters today without bottled oxygen and skied down from there to base camp. The 30-year-old had already made the first ascent of the fourth-highest mountain this spring season on…
