Group 1 - The article highlights the significance of the "World Mayors Dialogue" event held in Qingdao, focusing on cultural and tourism exchanges among 11 cities from different countries [6][12][15] - The event aims to enhance international cooperation and mutual understanding through cultural tourism as a bridge for friendly exchanges [6][12] - Participating cities include Qingdao, Piraeus (Greece), Sihanoukville (Cambodia), Minsk (Belarus), Regensburg (Germany), Lagos (Nigeria), Shimonoseki (Japan), Dunedin (New Zealand), and Daegu (South Korea) [6][9][10] Group 2 - Qingdao's mayor emphasized the city's coastal advantages, including its 800 km coastline and rich cultural heritage, positioning it as a model for other cities [7][12] - Sihanoukville's vice governor highlighted its strategic location and natural beauty, aiming to develop it into a premier marine tourism hub [9][13] - Regensburg's mayor discussed the city's historical significance and its efforts to integrate modern activities with its cultural heritage [11][13] Group 3 - The mayors discussed the importance of preserving historical culture while integrating modern development, with various cities sharing their unique approaches [11][12] - The dialogue included discussions on enhancing tourism experiences, such as culinary and cultural activities, to attract more visitors [14][15] - Collaborative opportunities were explored, including direct flights and joint platforms for cultural exchanges between cities [15]