mount everest and nuptse seen from kala patthar in nepal

adventure asia base camp climb climbing day dramatic edmund environment everest expedition exterior fall glacier highest hiking hillary himalaya himalayan ice icefall kala khumbu landscape mount mountain mountaineering national nature nepal norgay nuptse outdoors park pattar patthar peak peaks people range sagarmatha scenery sherpa sky snow snowy solu summit tenzing the top travel trek trekking viewpoint world