Trekker walking over Cho La Pass with Lobuche West and East on left side, Solukhumbu District, Nepal, Himalayas, Asia

Trekkers crossing glacier on Cho La Pass, with peak of Lobuche East behind, Solukhumbu district, Sagarmatha National Park, UNESCO World Heritage Site, Nepal, Himalayas, Asia

Climbers make their way to the summit of Lobuche, a 6119m peak in the Khumbu (Everest) Region, Nepal, Himalayas, Asia

Lobuche Khola valley with Arakamtse (6423), Khumbu Himal, Sagarmatha National Park, Nepal

Lobuche Khola valley with Cholatse (6335) and Arakamtse (6423), Khumbu Himal, Sagarmatha National Park, Nepal

Trekking group on a bridge at Lobuche Khola valley, Sagarmatha National Park, Khumbu Himal, Nepal

Tent camp at the Sherpa village of Lobuche with Nuptse (7861), Sagarmatha National Park, Khumbu Himal, Nepal

Trekking group at Lobuche Khola valley with Pokalde (5806), 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

Lobuche Khola valley with Arakamtse (6423), Khumbu Himal, Sagarmatha National Park, Nepal

Yaks pack good and supplies from Everest Base Camp and Gorak Shep down the trail to lower elevations in the Himalayas.

A reflector boils water in a kettle at high altitude in Nepal's Everest Region.