矿坑“长出”城市公园（家乡的山水能生金）

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].