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]

Group 1 - The Fifteenth National Games and the Special Olympics are the first national sports events co-hosted by Guangdong, Hong Kong, and Macau, representing a significant step in implementing the national Guangdong-Hong Kong-Macau Greater Bay Area strategy [2][4] - A "1+4" liaison mechanism has been established to facilitate communication among the three regions, which includes a national-level coordination department and four local liaison systems [2][3] - The event aims to achieve seamless cross-border participation, with athletes experiencing a "no-stop" customs clearance process while traveling across the three regions [3][4] Group 2 - Over 6,000 participants from the mainland are expected to travel to Hong Kong and Macau, while more than 3,000 participants from Hong Kong and Macau will come to the mainland, marking the highest number of cross-border participants in the event's history [4][5] - The event will feature a dedicated customs clearance channel for participating delegations, allowing for efficient entry and exit, and a green channel for ticket holders to facilitate smooth access [5][6] - The Hengqin port is expected to implement a "face recognition" clearance system, enhancing the convenience for participants and spectators [6] Group 3 - The Hong Kong and Macau organizing committees are focused on utilizing existing venues to host events, emphasizing a "green, shared, open, and clean" philosophy [7][8] - The Hong Kong venue selection aims to showcase the city's unique landscape and landmarks, with events like the triathlon taking place at the Central Waterfront [7] - Macau's preparations include successful testing of five competition events, ensuring all logistical aspects are ready for the games [7][8]