十五运会跨境赛事串联粤港澳（速递）

Group 1 - The core viewpoint of the news is the collaborative efforts of Guangdong, Hong Kong, and Macau in hosting the 15th National Games and the Special Olympics, marking the first time these regions have jointly organized such events [1][2] - The expected number of participants includes over 6,000 from the mainland to Hong Kong and Macau, and over 3,000 from Hong Kong and Macau to the mainland, making it the largest participation scale for these regions [1] - Special channels have been established at relevant ports for participating delegations, allowing for streamlined entry and exit, while ticket holders will benefit from a green channel for easier access [1] Group 2 - The event aims to attract millions of spectators to experience the culture of the Guangdong-Hong Kong-Macau Greater Bay Area, as demonstrated by a previous test event that drew millions of viewers [2] - A "1+4" liaison mechanism has been established to facilitate communication and coordination among various stakeholders, ensuring smooth operations in areas such as cross-border events and customs clearance [2] - High-frequency communication and collaboration have been emphasized in areas like cross-border events, customs, and food safety, showcasing the commitment to a well-organized event [2]