Children learn about green architecture at the"eden Chunshanli" life demonstration area in Jizhou District, north China's Tianjin, March 11, 2023. Ahead of China's National Tree Planting Day, the"eden Chunshanli" life demonstration area in Jizhou District of Tianjin organized many public welfare classes, attracting visitors with ecological experiences.

This demonstration area is located at the former site of the wasted Donghouziyu quarry. After years of restoration and tree planting, remarkable achievements have been made. At present, this demonstration area has successfully promoted the development of tourism in surrounding areas with various activities related to ecological education, healthy life style and culture.

The industry of building materials used to be a pillar to Jizhou's economy, resulting in damaged environment and wasted pits. With the participation of social forces, environmental restoration has achieved great results, transforming wasted mines and pits into destination of tourism and relaxation. (Xinhua/Sun Fanyue)