Core Points - The Jiangsu Jurong Chishan Lake Irrigation Project has been officially included in the World Irrigation Heritage List, marking a significant recognition of its historical and engineering value [1][6] - This inclusion fills the gap of World Irrigation Heritage in southern Jiangsu, enhancing Jurong's cultural profile [1][6] Group 1: Project Overview - The Chishan Lake Irrigation Project is located in the southwestern part of Jurong City, Jiangsu Province, and has been operational for over 1,700 years since its establishment in 239 AD [3][5] - It serves multiple functions including irrigation, flood control, and navigation, currently irrigating 77,000 acres of farmland and protecting the flood safety of 738 square kilometers and over 1.7 million people in the downstream Qinhuai River basin [3][5] Group 2: Historical Significance - The project exemplifies ancient wisdom in water management, utilizing the local topography to create a scientific system for water control [3][5] - It features the earliest water observation facility in Jiangsu, established before the Song Dynasty, which set standards for water management and has influenced modern water management practices [5][6] Group 3: Heritage and Cultural Value - The project has a rich heritage system, including 13 existing engineering relics and various intangible cultural heritages related to water management [5][6] - The successful application for World Heritage status involved a comprehensive investigation and planning process, showcasing the project's historical context and technological value [6]