Group 1 - The core viewpoint emphasizes the importance of regional coordination in China's development, highlighting significant strategies like the integration of the Yangtze River Delta and the Greater Bay Area [1] - The Yangtze River Delta's GDP is projected to rise from 27.6 trillion yuan in 2021 to over 33 trillion yuan by 2024, supported by nine cities with GDP exceeding 1 trillion yuan and a strong manufacturing base [3] - The establishment of the Fangting Water Institute symbolizes the integration efforts, allowing for seamless cross-regional interactions and improved administrative efficiency [10][11] Group 2 - The Beijing-Tianjin-Hebei region has seen substantial progress, with over 12,000 collaborative projects and improved public service integration, enhancing the region's cohesiveness [18] - The automotive industry in the Tianjin Wuqing area exemplifies the benefits of regional collaboration, with production capacity expected to double by 2025 [24][28] - The Chengdu-Chongqing economic circle has experienced a significant economic boost, with its total economic output increasing from 6.3 trillion yuan to 8.7 trillion yuan over five years [39] Group 3 - The Greater Bay Area has improved its transportation infrastructure, with new cross-river channels enhancing connectivity and facilitating economic integration [41][44] - The completion of the Shenzhen-Zhongshan Bridge has significantly reduced travel time across the Pearl River Delta, demonstrating the impact of infrastructure on regional development [44] - The cultural and economic integration efforts in the Greater Bay Area have led to increased tourism and local economic growth, with traditional arts like the Yingge dance gaining international recognition [53][56]