Author Topic: Dujiangyan irrigation system is awesome  (Read 530 times)

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Offline ian123

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Dujiangyan irrigation system is awesome
« on: February 02, 2018, 06:32:32 PM »
Did you know that this chinese irrigation system, Dujiangyan,  is 2200 years old?
It is still used today, and it provides water to 50 cities!  :o