![](http://www.ecns.cn/hd/2021/12/30/fd133d577ae04a66a5caa1af964b46e0.jpg)
Photo taken on Dec 29, 2021 shows Dujiangyan irrigation system at the foot of a snow-capped mountain, the west part of Chengdu Plain, southwest China's Sichuan province. (China News Service/Chen Xianlin)
Listed as a World Heritage site by UNESCO in 2000, Dujiangyan has been serving the role of flood control and irrigation for more than 2,000 years.
![](http://www.ecns.cn/hd/2021/12/30/47d8043e77cb4775b62643f5d1aff9d4.jpg)
Photo taken on Dec 29, 2021 shows Dujiangyan irrigation system at the foot of a snow-capped mountain, the west part of Chengdu Plain, southwest China's Sichuan province. (China News Service/Chen Xianlin)
![](http://www.ecns.cn/hd/2021/12/30/80f2e39f19ac4acb825d87900bcb8eb8.jpg)
Photo taken on Dec 29, 2021 shows Dujiangyan irrigation system at the foot of a snow-capped mountain, the west part of Chengdu Plain, southwest China's Sichuan province. (China News Service/Chen Xianlin)