nepalese sherpa guide porter carry heavy backpack sit relax rests on viewpoint trekking everest base camp trail detour to gokyo ri

sherpa himalaya mountain nepal trekking ice peak snow trek climb climbing mountaineering summit glacier expedition extreme tour tourism travel altitude autumn environment remote top alpinism background freedom grandeur greatness majestic mountaineer mt natural unique zone trail himalayan quest trekker range wilderness alpine pass chola ebc everest base camp cho la rest testing