Group 1: Water Culture Development in Hunan - Hunan Province's Water Resources Department emphasizes water culture construction as a key component of "Five Waters Co-Governance" and has established a working mechanism led by the department's office and supported by the Provincial Water Culture Research Association [1] - The "Hunan Province Water Culture Construction Plan (2021-2035)" has been scientifically formulated, focusing on both protection and inheritance, as well as promotion and utilization, to revitalize ancient water systems and inject cultural momentum into high-quality water resource development [1] - A comprehensive survey of water culture resources has been conducted, enriching the understanding of "water culture resources" through theoretical research on characteristics, classification, and coding [1] Group 2: Archaeological Research and Technological Integration - The focus is on the archaeological research of the ancient sites of Chengtoushan and Jijiaocheng in the Liyang Plain, with the water engineering study included as a major provincial scientific project for 2023 [2] - Collaboration among multiple research institutions has led to significant advancements, confirming the water engineering at these sites as the earliest prehistoric comprehensive water engineering in the middle reaches of the Yangtze River [2] - Two distinct forms of water engineering have been identified at these sites, with Chengtoushan primarily featuring "pond-type" structures and Jijiaocheng showcasing "canal-type" systems, demonstrating a large-scale interconnected water engineering network [2] Group 3: Heritage Recognition and Public Engagement - The Hunan Water Resources Department has initiated the first batch of water engineering heritage applications in 2023, involving a series of procedures including self-application, field surveys, online voting, expert reviews, provincial approval, and media publicity [3] - Five projects, including the Ziqiaoji Terraced Irrigation Project and the Shaoshan Galaxy, have been recognized as provincial-level water engineering heritage, resulting in various promotional materials and an online exhibition [3] - The application process garnered significant public interest, with over 4.5 million clicks during the online voting phase, turning heritage sites into popular tourist destinations and fostering a positive interaction between heritage protection and cultural tourism [3]