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. (Xinhua/Ji Chunpeng)

A staff member introduces a traditional water lift at an exhibition hall of the Chishan Lake Irrigation System in Jurong City, east China's Jiangsu Province, on Sept. 15, 2025. 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. (Xinhua/Ji Chunpeng)

A staff member introduces a traditional water lift at an exhibition hall of the Chishan Lake Irrigation System in Jurong City, east China's Jiangsu Province, on Sept. 15, 2025. 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. (Xinhua/Ji Chunpeng)

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. 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. (Xinhua/Ji Chunpeng)

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. 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. (Xinhua/Ji Chunpeng)

A panoramic aerial drone photo taken on Sept. 15, 2025 shows a view of the Chishan Lake and the surrounding farmlands 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. (Xinhua/Ji Chunpeng)

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. 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. (Xinhua/Ji Chunpeng)

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. 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. (Xinhua/Ji Chunpeng)

A staff member introduces a stone-made water level gauge at the Chishan Lake National Wetland Park in Jurong City, east China's Jiangsu Province, on Sept. 15, 2025. 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. (Xinhua/Ji Chunpeng)

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. 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. (Xinhua/Ji Chunpeng)

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. 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. (Xinhua/Ji Chunpeng)