An aerial drone photo taken on July 4, 2025 shows a view of Dujiangyan irrigation system in southwest China's Sichuan Province. Dujiangyan irrigation system on the Minjiang River saw a flood peak on Friday. (Photo by He Bo/Xinhua)

An aerial drone photo taken on July 4, 2025 shows a view of Dujiangyan irrigation system in southwest China's Sichuan Province. Dujiangyan irrigation system on the Minjiang River saw a flood peak on Friday. (Photo by He Bo/Xinhua)