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Professor witnesses ottelia acuminata bloom again in Erhai Lake, SW China

Xinhua | Updated: 2025-06-06 09:09
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Kong Hainan (front) shares the story of ecology restoration of Erhai Lake and development of ottelia acuminata industry to freshmen at School of Environmental Science and Engineering of Shanghai Jiao Tong University in East China's Shanghai, March 14, 2025. [Photo/Xinhua]
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