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Aerial photo taken on Jan. 22, 2020 shows people go winter swimming on Yongjiang River in Nanning, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhou Hua)
Aerial photo taken on Jan. 22, 2020 shows people go winter swimming on Yongjiang River in Nanning, south China's Guangxi Zhuang Autonomous Region. (Xinhua/Zhou Hua)