An aerial drone photo taken on Sept. 15, 2025 shows a view of a sluice gate built before 1950 in Jurong City, east China's Jiangsu Province. The 17-century-old Chishan Lake Irrigation System has recently been added to the World Heritage Irrigation Structures (WHIS) list during the 76th International Executive Council Meeting of the International Commission on Irrigation &Drainage (ICID). The system is still nourishing more than 5,100 hectares of arable lands. [Photo/Xinhua]Staff members perform routine check up and maintenance at a pump house of Chishan sluice gate in Jurong City, east China's Jiangsu Province, on Sept. 15, 2025. [Photo/Xinhua]An aerial drone photo taken on Sept. 15, 2025 shows a view of an irrigated area of the Chishan Lake Irrigation System in Jurong City, east China's Jiangsu Province. [Photo/Xinhua]A panoramic aerial drone photo taken on Sept. 15, 2025 shows a view of Chishan Lake and the surrounding farmlands in Jurong City, east China's Jiangsu Province. [Photo/Xinhua]An aerial drone photo taken on Sept. 15, 2025 shows a view of an irrigated area of the Chishan Lake Irrigation System in Jurong City, east China's Jiangsu Province. [Photo/Xinhua]A panoramic aerial drone photo taken on Sept. 15, 2025 shows a view of an irrigated area of the Chishan Lake Irrigation System in Jurong City, east China's Jiangsu Province. [Photo/Xinhua]An aerial drone photo taken on Sept. 15, 2025 shows a view of the Chishan sluice gate in Jurong City, east China's Jiangsu Province. [Photo/Xinhua]An aerial drone photo taken on Sept. 15, 2025 shows a view of an irrigated area of the Chishan Lake Irrigation System in Jurong City, east China's Jiangsu Province. [Photo/Xinhua]
