ancient religious monument and megalithic pre-columbian sculpture in san agustí­­n archaeological park

indigenous agustin archaeological park andes cultures cemetery treasure pre columbian huila agustashy colombia sculptures archaeology dig excavation precolumbian megalithic monuments world monument alto idolos america ancient animals basalt burial carved funerary gods head isnos lavapatas magdalena mesita mythical religious sarcophagi sculpture south southwestern statues stone tombs tumulus unesco heritage