colorful tents on everest base camp in nepal

altitude base camp campers camping climb climbing cold colorful contemporary destination everest famous flags freezing glacier high hiking himal himalayan himalayas icefall kala kalapatthar khumbu mountain mountaineering mountaineers mountains national nature nepal nepalese nepali nuptse park pattar patthar places prayer sagarmatha scenery settlement sherpa sky snowy solu solukhumbu tents tibetan travel trek trekking