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A citizen fishes by the Qinghuai River in Nanjing, capital of east China's Jiangsu Province, Oct. 9, 2017. The environment of the city has been promoted through an operation of cleaning rivers in the city. (Xinhua/Yang Lei)
A citizen fishes by the Qinghuai River in Nanjing, capital of east China's Jiangsu Province, Oct. 9, 2017. The environment of the city has been promoted through an operation of cleaning rivers in the city. (Xinhua/Yang Lei)