MARTIN BOND / SCIENCE PHOTO LIBRARY MARTIN BOND / SCIENCE PHOTO LIBRARY
Aqueduct. Aqueduct or man-made canal carrying water through an arid area for agricultural, domestic and industrial purposes. The canal is lined with concrete to prevent the water from leaking away. The diverting of water for human uses can put pressure on natural habitats. Photograph of an aqueduct near Palmdale in California, USA. This canal carries water from the Sierra Nevada mountains to the city of Los Angeles.
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