group of trekkers hiking towards nevado sajama volcano mountain, highest peak in bolivia 6,542 m at sajama national park,

altiplano america andean andes backpack beautiful blue bolivia bolivian bushes chile climbing desert earth glacier hiker hiking horizon impressive landscape mountain mountains national nature nevado nowhere outdoor outdoors park peak people pomerape sajama scenery snow south tourism travel trekker trekking trips tundra twin vacation volcano volcanoes volcanos