mount everest khumbu valley himalaya nepal

8000er alpine area asia bazar blue chomolungma countryside eightthousander everest face forest great high highest hike hiking hill himalaya himalayan ice khumbu landscape mahalangur middle mount mountain mountaineering namche national nature nepal nepalese nepali nuptse panorama park peak pine range rock sagarmatha scenery snowy solukhumbu summit tibet top travel tree trees trek trekking valley view white wood