tough mountains and forests

altitude asia barerock before bluesky china clad clearlake cliff climbing cloud cold creek critical demarcationpoint flatground forest frozen glacier grass green hillside himalayas lawn mist mountain mountainclimbing mounteverest natural panorama peak permafrost piledup pine plateau protectenvironment qinghaitibetplateau snow snowline snowmountain snowy stone surroundings tibet tibetanscenery tombstone toughmountains unmanned valley vast vegetation water whiteclouds