Group 1 - The construction of water conservancy projects in Nanjing is entering a "golden period," with 48 projects scheduled to start or accelerate construction this winter and spring, aiming for completion before the main flood season in May next year [1] - Among the 48 projects, four key water conservancy projects are crucial for regional flood control, water resource allocation, and ecological balance, with an expected annual investment of approximately 1.5 billion yuan [1] - The completed projects will address issues such as insufficient levee height, slope erosion, and accessibility of flood control roads, ensuring flood safety along both banks [1] Group 2 - The external Qinhuai River flood control capacity enhancement project, covering a total length of 12.9 kilometers, aims to improve flood defense from a 100-year to a 200-year flood event [2] - The project includes raising flood walls, reinforcing levees, and addressing seepage issues, following the recognition of flood risks during the 2020 historical flood event [2] - A total of 22 flood risk mitigation and 5 urban waterlogging remediation projects have been identified, with a total investment of approximately 195 million yuan, focusing on areas prone to waterlogging [3]