香江观澜：以体育为媒，香港更好融入国家发展大局

Group 1 - The core viewpoint of the articles emphasizes the role of sports in enhancing the integration of Hong Kong into the national development framework, particularly through the hosting of the 15th National Games [1][7] - The 15th National Games marks the first time Hong Kong has participated as a host city, showcasing a significant step in its integration with the Greater Bay Area [1][7] - The event has facilitated a mechanism for innovation and collaboration among Guangdong, Hong Kong, and Macau, establishing effective multi-layered communication systems [3][4] Group 2 - The collaboration has led to seamless cross-border participation, with athletes experiencing "zero delay, zero contact, and zero waiting" during events, exemplifying the efficiency of the new systems in place [3] - Hong Kong's expertise in hosting world-class equestrian events has contributed to the success of the equestrian competitions in Shenzhen, highlighting the complementary advantages of the three regions [4] - The National Games have also fostered cultural identity and emotional connections among participants, as seen in the joint performances of teams from Hong Kong and Macau [5][6]