a sign giving instructions to tourists at the mirador volcan ollague, near uyuni, bolivia

america andean andes avaroa barren bolivia bolivian border chile cordillera crossing desert dry eduardo erosion expedition flag formation funny garbage geology landscape lava lipez litter lookout mirador mountain national nor occidental ollague park reserva reserve responsible rock rubbish salar sand sign south stone sud tour tourism travel uyuni view viewpoint volcan volcanic volcano weather weathered