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A drop of rain is seen on the grass blade after a rain in Xuyi County of Huaian City in east China's Jiangsu Province Oct. 5, 2017. (Xinhua/Zhou Haijun)
A drop of rain is seen on the grass blade after a rain in Xuyi County of Huaian City in east China's Jiangsu Province Oct. 5, 2017. (Xinhua/Zhou Haijun)