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Resolution: 1/3 - Click the region of interest for enlargement.
Image rights
Karez: is the name commontly used in Central Asia for the irrigation system also known as Qanat. Photo from a museum dedicated to karez at Turfan, Autonomous Region of Xinjiang, China. Date: 2 October 2005. Author: Colegota. This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Spain license.