Photos show colorful views of a tailing dam in Huangshi, Hubei Province, December 14, 2024. /CFP

This tailing dam in Huangshi, Hubei Province contains a vast deposit of tailings – minerals, aggregates and other residual materials – that reflect a striking palette of colors in the sun when viewed from above. For years, the local authorities in the area have been using modern technology to reduce the discharge of wastewater and exhaust gases to improve the local environment.

Editor Ⅰ: Zhang Wenwen

Editor Ⅱ: Bao Gang

Editor Ⅲ: Liu Guosong