Group 1 - The construction of overpasses and elevated bridges is a significant indicator of urban development, serving as the backbone of city traffic connections [1] - Wuhan has transformed its under-bridge spaces into vibrant areas, showcasing a shift from neglected corners to lively "micro-landscapes," reflecting both physical and governance upgrades [1] - Wuhu City has implemented a management approach for under-bridge spaces to address issues of idleness and disorder, promoting a systematic management framework and innovative regulatory mechanisms [1] Group 2 - Urban renewal is being reflected in the transformation of small public spaces, with a focus on cleanliness, cultural integration, and convenience for residents, as outlined in the guidelines by Hubei's housing and urban construction department [2] - The effective utilization of under-bridge spaces can enhance community benefits, turning previously neglected areas into popular social and recreational spots, as demonstrated by the successful transformation in Shanghai [3] - The management of under-bridge spaces requires a collaborative approach among various departments to ensure safety and effective governance, emphasizing the need for clear authority and emergency management [4] Group 3 - The development of under-bridge spaces is a practical example of shifting urban strategies from expansion to enhancement, aiming to create more livable and warmer cities [4]

Core Viewpoint - The city of Yangzhou is successfully transforming underutilized bridge spaces into vibrant public areas for fitness and recreation, enhancing community well-being and urban aesthetics [1][3][5]. Group 1: Development of Bridge Spaces - Yangzhou has developed various bridge spaces, including the Jiangyang Bridge, into recreational areas, featuring facilities like fitness trails, basketball courts, and children's play equipment [1][3]. - The "Ten Miles of Canal" scenic area is being constructed along the Grand Canal, with the Jiangyang Bridge's under-space being a key component of this project [1]. Group 2: Historical Context and Utilization - Approximately ten years ago, the space under the Wutai Mountain Bridge was repurposed for community fitness, addressing local residents' needs for recreational and parking spaces [3]. - Other bridges, such as the Yangzhou Bridge and the Wutai Mountain Bridge, have also been utilized for sports facilities and green spaces, although some areas remain neglected or used for storage [3]. Group 3: Urban Planning and Management - In the previous year, Yangzhou initiated a project to enhance bridge under-spaces, aiming to convert "gray spaces" into "public vitality spaces" for community use [5]. - The city has developed implementation plans and management strategies to address issues of unauthorized use and improve the aesthetic quality of bridge spaces, ensuring safety and functionality [5].