Group 1 - The article highlights the rapid development and collaboration in the Tianjin region over the past five years, showcasing a busy port and the rise of a technology city [1] - A super transportation network has been established, with trains traveling between Beijing and Tianjin every 41.7 seconds, facilitating an average of 120,000 daily trips between the two cities [1] - The integration of medical, educational, and social security services into a unified system has directly benefited the lives of residents, enhancing their quality of life [1]