A complex series of irrigation ditches, as here on the slopes of Huascarán, Cordillera Blanca, Peru, support extensive agriculture during the dry season. Most water comes from the nearby glaciers. MH |
A complex series of irrigation ditches, as here on the slopes of Huascarán, Cordillera Blanca, Peru, support extensive agriculture during the dry season. Most water comes from the nearby glaciers. MH |