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Photo taken on Dec. 14, 2018 shows the moss in the Gongshui River national wetland park in Xuan'en County of Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. (Xinhua/Song Wen)
Photo taken on Dec. 14, 2018 shows the moss in the Gongshui River national wetland park in Xuan'en County of Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. (Xinhua/Song Wen)