Mount Everest: Jost Kobusch attempts solo winter ascent without oxygen

German climber Jost Kobusch makes a fourth attempt to climb Everest's West Ridge alone in winter, without supplemental oxygen. #MountEverest #JostKobusch #Mountaineering #EverestClimb #WinterClimbing #Adventure

Watch on source: https://www.youtube.com/shorts/sbnrRYQ_07Q ↗