salt pyramids. natural formation of sand and salt located in the quebrada de la higuera

landscape plain soil badlands plateau desert horizon sand steppe geology wadi sky prairie hill rock grassland valley mountain salt pyramids natural formation located quebrada higuera atacama chile atacama badlands blue chile coast desert dry formation geology higuera hill horizon landscape located mountain natural nature plain plateau pyramids quebrada rock salt sand scenic sea sky soil steppe stone summer terrain tourism travel view