hiker trekking in green mountains up on trail between jiri and lukla - lower part of everest trek in himalayas

active adventure backpacker beautiful buddhist bupsa environment everest flag green hiker hiking hill himalaya himalayas jiri karikhola landscape lower lukla man mount mountain mountains natural nature nepal outdoor part people person praying recreation region rural sagarmatha sky solukhumbu summer terrace tourism tourist trail travel tree trek trekker trekking valley view village walk