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

30 34 years adventure caucasian ethnicity challenge climbing equipment climbing rope cold temperature day determination everest base camp extreme sports front view full length ice ice climbing khumbu khumbu icefall ladder looking at camera mountain mountain climbing mt everest nepal one mid adult man only one person outdoors preparation real people skill snow standing vertical warm clothing winter winter sport