Backpackers look at the Inca ruins at Machu Picchu, UNESCO World Heritage Site, Peru, South America

adventure archeology architecture backpacker backpacking building color image day environment full length hiking holiday horizontal inca journey landscape leisure activity look man mountain nature only men outdoors people peru photography rear view recreation remote rock ruins sightseeing sitting south america standing steep tourist tourist attraction travel travel destinations two people unesco world heritage site valley waist up walking wall young adult afternoon americas ancient ancient civilisation archaeological site archaeology archeological site backpack civilisation civilization color colour entertainment full body incan isolation male morning outside peak person peruvian seated seclusion sit south american stepping stone structure tour tourism tramping traveling travelling trip two vacationing walk