Group 1 - The 15th National Games will officially open on November 9, with the main media center set to begin operations on November 7 [1][3] - The main media center features a "1+3+N" spatial layout, with a core center in Guangzhou and three sub-centers in Hong Kong, Macau, and Shenzhen, along with media centers at each competition venue [3] - The event emphasizes a "simple, safe, and exciting" approach, utilizing the old site of Guangdong People's Broadcasting Station for the main media center, which can accommodate over a thousand journalists [5] Group 2 - Advanced audiovisual technology will be prominently featured, with the main broadcasting organization providing live coverage of 69 events, 39 of which will be in 4K ultra-high definition [9] - A cloud broadcasting service platform will distribute over 300 multimedia signals during the event, marking the highest distribution volume in the history of the National Games [9] - Various venues have already begun hosting events, creating a vibrant atmosphere, with competitions such as diving and beach volleyball already underway [10] Group 3 - The final rehearsal for the opening ceremony took place last night, with expectations for a spectacular event showcasing world-class standards and regional charm [12]