This aerial photo taken on April 20, 2023 shows workers collecting aquatic plants at Datong Lake aquatic plants industrial demonstration park in Yiyang, central China's Hunan Province. Datong Lake, covering an area of 124,000 mu (about 8,266 hectares), was once heavily polluted due to disorderly aquaculture development. After the start of the ecological restoration work in 2018, Datong Lake has since then witnessed significant improvement in its water quality and economic returns. (Xinhua/Chen Zhenhai)
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