tatacoa desert in villa vieja, huila, colombia

area arid aridity badlands barren beautiful blue brown bushes colombia day desert dirt dirty dry dust dusty erosion formation formations geological geology ground gully heat heavy hill hot huila land landscape majestic mountain natural nature outdoor plateau rock rocky ruins sand sandstone science sea shrub sky soil some stone stones stoney stony sunlight sunny tatacoa terrain tropical valley vieja villa villavieja wadi waterless wild wilderness