Photo taken on April 8, 2021 shows artificial reefs being placed in Wuzhizhou Island's marine ranch in Sanya, south China's Hainan Province. (Wuzhizhou Island's marine ranch/Handout via Xinhua)
Chinese resort city Sanya places artificial reefs to improve marine ecology
Source: Xinhua| 2021-04-08 17:44:12|Editor: huaxia
