Water from buried aquaducts pours through spouts into a large open cistern, low stone foundation walls in the Incan ruins of Ollantaytambo, Peru, in the foreground, sheer cliffs and treed foothills ri
Water from buried aquaducts pours through spouts into a large open cistern, low stone foundation walls in the Incan ruins of Ollantaytambo, Peru, in the foreground, sheer cliffs and treed foothills rising in the background.