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Getting Water to the Desert, the Old-Fashioned Way
The Scientist 2004, 18(6):12
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They may be the world's first example of technology transfer: ancient Persian irrigation systems known as qanats, whose use later spread as far east as Japan and as far west as Chile. Now, a new international qanat center based in Yazd, Iran, aims to revive the cultural heritage and use of these underground water channels. Still in limited existence in Oman and Syria, these systems are better known in Iran, where the center aims to repair and preserve approximately 2,500 miles of these channels.
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