Core Viewpoint - The transformation of the former mining area in Tangshan, Nanjing, into a city park demonstrates a successful integration of ecological restoration and economic development, showcasing a model for sustainable urban planning [2][5]. Group 1: Ecological Restoration Efforts - The ecological restoration project began in 2017, focusing on stabilizing the cliff structures without extensive alteration of the mountain [3]. - Approximately 40,000 cubic meters of slope cutting was completed to ensure the stability of the mountain's main structure [3]. - A total of 150,000 cubic meters of waste soil was removed, and 120,000 cubic meters of earth was excavated and filled, raising the average height of the pit area by 1.5 meters to improve soil conditions [3][4]. Group 2: Water Management and Biodiversity - The project includes the construction of various water management facilities such as lakes, ecological ditches, rain gardens, artificial wetlands, and ecological retention pools to create a closed-loop system for water purification [4]. - Grass stacks made from crushed stones and leaves, filled with local plant seeds, were created to enhance biodiversity and provide habitats for wildlife [4]. Group 3: Urban Park Development - The park is designed as an open, shared space for citizens, featuring educational, recreational, and commercial activities, including restaurants, cafes, and a no-power amusement park [5][6]. - The park has attracted over 6 million visitors since its opening in 2019, generating an estimated revenue of 16 million yuan in 2024 from various consumer projects [6]. Group 4: Cultural and Educational Aspects - The park serves as a geological education base, allowing visitors, especially children, to learn about geological processes and the history of mining in the area [7]. - The design incorporates elements that reflect the industrial history of the region, enhancing the cultural significance of the park [7].

Core Viewpoint - The article discusses the ecological restoration and transformation of the Tangshan quarry site in Nanjing, Jiangsu Province, into a city park, achieving a balance between ecological and economic benefits [1]. Group 1: Ecological Restoration Efforts - Long-term quarrying in Tangshan led to significant environmental damage, including vegetation loss and water pollution, prompting the need for restoration [1]. - The restoration project initiated in 2017 focused on a detailed and careful approach, avoiding large-scale alterations to the mountain structure while ensuring stability [2]. - Specific measures included the removal of 150,000 cubic meters of waste soil and the elevation of the quarry area by an average of 1.5 meters to improve soil conditions [2][3]. Group 2: Water Management and Biodiversity - The project incorporated various water management systems, such as artificial wetlands and ecological ditches, to enhance water conservation and natural purification [3]. - The park features structures made from local plant seeds to restore biodiversity, providing habitats for several species, including nationally protected animals [5]. Group 3: Economic Development and Community Engagement - The park was designed to include commercial activities alongside ecological restoration, featuring restaurants, cafes, and recreational facilities, which have generated significant revenue since its opening [6][7]. - By 2024, the park is projected to generate approximately 16 million yuan in revenue, creating over 300 jobs [7]. - The park has become a popular educational site, attracting local schools for geological studies, thus fostering community engagement and local entrepreneurship [8].

Core Viewpoint - Jiangning District has transformed its ecological resources into economic benefits over the past 20 years, showcasing a successful model of green development that integrates ecological beauty with economic prosperity [2][10]. Group 1: Ecological Transformation - The area has shifted from abandoned mining sites to popular tourist destinations, such as Tangshan Mine Park and Niushou Mountain Cultural Tourism Area, attracting visitors and enhancing local livelihoods [2][5]. - The "Two Mountains" concept has guided the ecological restoration and development of these areas, leading to a significant increase in local income and employment opportunities [2][6]. Group 2: Tourism Development - Since 2019, Tangshan Mine Park has received over 6 million visitors, creating more than 300 jobs for local residents [5]. - Jiangning has developed a diverse rural tourism landscape, with successful models like "Shitang Family" and "Tao Yuan" attracting significant tourist traffic and revenue [6][7]. Group 3: Economic Impact - In 2024, Jiangning District welcomed 43.12 million tourists, generating approximately 38.32 billion yuan in tourism revenue, reflecting a year-on-year growth of 6% and 9.4% respectively [7][10]. - The average annual income of rural residents in Jiangning has increased from about 1.8 million yuan to approximately 11.1 million yuan, demonstrating the economic benefits of ecological tourism [9][10]. Group 4: Community Benefits - Local residents have capitalized on the tourism boom, with many establishing successful businesses such as homestays and restaurants, significantly improving their quality of life [8][9]. - The community has seen a rise in collective income, with villages like She Village generating over 6.83 million yuan in operational revenue in 2024 [8][10].