Kyariz is an ancient irrigation system, which is established by the Uighurs over two thousand years ago. It is believed that the idea and technology of kyariz brought here on the Silk Road by ancient Iranians. Kyariz is distributed widely in Iran, Central Asia and even North Africa. But perhaps these irrigation systems have evolved in parallel, as even in those days, Turpan was a flourishing oasis, using plenty of water.
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