Core Insights - The 15th National Games marks the first time Hong Kong and Macau are co-hosting the event, showcasing the integration of the Guangdong-Hong Kong-Macau Greater Bay Area [1] - The event highlights the improved infrastructure and connectivity in the Greater Bay Area, with six major cross-river and cross-sea channels completed, facilitating smooth transitions for athletes and teams [1] - The economic strength of the hosting regions is underscored, with Guangdong being a manufacturing powerhouse and Hong Kong enhancing its global financial standing, while Macau diversifies its economy [3] Infrastructure Development - The Greater Bay Area has established six major transportation links, including the Hong Kong-Zhuhai-Macao Bridge, enhancing cross-border travel for the National Games [1] - Guangzhou Baiyun International Airport's new T3 terminal and fifth runway will make it the first airport in China with five commercial runways, further supporting the region's connectivity [1] Policy and Soft Connectivity - The National Immigration Administration announced ten new immigration and entry-exit management policies to promote high-level openness and quality development, including extending the 240-hour visa-free transit policy to five ports in Guangdong [2] - The establishment of a regular communication mechanism among Guangdong, Hong Kong, and Macau aims to enhance cross-border customs, material allocation, and food safety during the National Games [2] Economic Impact - The event serves as a test of the economic capabilities of the hosting regions, with Guangdong leading in manufacturing and Hong Kong improving its global rankings in finance and business environment [3] - The 2025 Guangdong-Hong Kong-Macau Greater Bay Area Global Investment Conference resulted in 2,073 investment and trade projects, exceeding 2 trillion yuan, highlighting the area's global attraction [3]