Irrigation in Peru

thumb|250px|right|The technology of the Qanats of Iran is similar to that used for the puquios of Peru. thumb|right|250px|The Cantalloc Aqueducts|Cantalloc puquios near Nazca, Peru. The cork-screwing funnels are for access to the underground aqueduct. thumb|250px|right|An aqueduct emerges from an underground or gallery puquios into a trench which supplies water for irrigation and domestic uses. thumb|right|250px|Except for river valleys where irrigation is possible, the desert of the Nazca Region is barren. The Pan American Highway is in the distance. Puquios (from Quechua pukyu meaning sou

canal in Peru and Chile