Group 1 - The 2025 World Cities Day Global Conference on Urban Sustainable Development was jointly organized by the UN-Habitat and the Shanghai Municipal Government, highlighting Shanghai's role as a permanent host for World Cities Day events [1][2] - The theme for the 2025 conference is "Innovative Development, Building People-Centric Smart Cities," focusing on sharing global experiences and challenges in urban sustainable development [1][2] - The 2025 edition of the "Shanghai Manual" includes 21 case studies from 19 cities across 11 countries, showcasing advanced experiences in urban management, economic development, and public services through data-driven approaches and technological innovations [2] Group 2 - The conference also released the 2025 "Shanghai Index Application Report," which provides suggestions for application scenario indicator system design and highlights various application scenarios such as megacities, innovation cities, health cities, and livable cities [2]