Group 1 - The first batch of 30 city ambassadors in Shanghai has been selected to enhance the city's international image through digital content and new media platforms [1] - Similar initiatives are being launched in other regions such as Henan, Shandong, and Sichuan, aiming to attract individuals from various backgrounds to serve as city ambassadors [1] - City ambassadors differ from traditional tour guides as they are local residents who can authentically share their experiences and insights about the city [1][2] Group 2 - The role of city ambassadors builds an invisible bridge between tourists and the city, reflecting a proactive approach to meet evolving cultural and tourism demands [2] - The rise of City Walk signifies a shift in tourism, where everyday urban life and local culture become new attractions beyond traditional scenic spots [2] - The current city branding and promotion system has changed significantly, with ordinary people as city ambassadors contributing to a more relatable and engaging marketing strategy [2] Group 3 - City ambassadors also serve as participants and experiencers in urban cultural and tourism activities, providing valuable feedback that can enhance the development of the tourism industry and public services [3]