Mountaineers climbing up the Khumbu Icefall on the route up Everest, Everest Base Camp, Khumbu, Nepal

day outdoors horizontal determination full length adventure low angle view two people climbing exploration challenge climbing rope mountain winter ice snow skill nepal mountain climbing caucasian ethnicity extreme sports ice climbing winter sport climbing equipment warm clothing 30 34 years cold temperature mixed race person asian ethnicity mt everest khumbu only mid adult men khumbu icefall everest base camp