Yak on the Everest base camp trail, Sagarmatha National Park, UNESCO World Heritage Site, Khumbu Valley, Nepal, Himalayas, Asia

Herd of yaks in high altitude mountains of Langtang Valley Trek near Kyanjin Gompa, Himalayas, Nepal, Asia

Two yaks walking through a snowy field, high altitude Himalayan mountain valley in Kyanjin Gompa,Langtang Trek, Himalayas, Nepal, Asia

Yak pasture near Machhermo (4410), Sagarmatha National Park, Khumbu Himal, Nepal

yak at Lobuche Khola valley with Arakamtse (6423) and Lobuche East Peak (6119), Khumbu Himal, Sagarmatha National Park, Nepal

Historic stupa at Thame, Bhote Koshi valley, Khumbu Himal, Sagarmatha National Park, Nepal

Yak caravane crossing the Khumbu glacier moraine, Khumbu Himal, Sagarmatha National Park, Nepal

Yak alp at Dudh Koshi valley with Ama Dablam (6856), Khumbu Himal, Sagarmatha National Park, Nepal

Yak caravane at Dudh Koshi valley, Sagarmatha National Park, Khumbu Himal, Nepal

Yak pasture near Machhermo (4410), Sagarmatha National Park, Khumbu Himal, Nepal

Sherpa village Khumjung with Thamserku (6608), Sagarmatha National Park, Khumbu, Nepal

Sherpa village Khumjung with Thamserku (6608), Sagarmatha National Park, Khumbu, Nepal

Yak caravane above Machhermo Sherpa village, Sagarmatha National Park, Khumbu Himal, Nepal

Yak caravane obove Machhermo Sherpa village (4410), Sagarmatha National Park, Khumbu Himal, Nepal