About50kilometers away from chengdu dujiang yan is located on the Minjiang Rriverin the west of chengdu plain and it was built in the 3rd centery BC It's unique feature is that it can regulate the flow of waterwithout a dam.Fir more than 2000years Dujianyanhas been play an effective role in flood control and irrigation, making chengdu plain a fertile land that ensure stable yield despite droughtor flood and one of the mostimportantgrainproducing areas in China .Dujianyan project embodies the chinese wisdom thatpeople and nature coexist in harmony .It is the oldest conservancy project in the world .
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