![Aerial view of Dujiangyan Irrigation System in Sichuan(1/4)](http://www.ecns.cn/hd/2015/09/29/a08aa65746484f2e8dd79caf9adbf40f.jpg)
Photo taken on Sept. 28, 2015 shows an aerial view of Dujiangyan Irrigation System in Dujiangyan, southwest China's Sichuan Province. (Photo: Xinhua/Li Qiaoqiao)
Photo taken on Sept. 28, 2015 shows an aerial view of Dujiangyan Irrigation System in Dujiangyan, southwest China's Sichuan Province. (Photo: Xinhua/Li Qiaoqiao)