young hiker backpacker female using trekking poles enjoying mountain view during high altitude acclimatization walk. everest base

acclimatization active activity acute altitude ams backpacker backpacking base bazaar camp climber climbing clothing clouds concept ebc enjoying everest extreme female glasses high hiker hiking himalaya himalayas image landscape layer mountain mountains namche nature nepal nuptse outdoor outdoors peak people poles protection route scenic sickness sport sun tourist travel trek trekker trekking using vacation vacations view walk walking woman young