Source: Xinhua| 2018-09-25 07:39:45|Editor: Yang Yi
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Cargo vessels pass the ship lock at the Changzhou reservoir, a water conservancy project on the Xijiang River, in Wuzhou, south China's Guangxi Zhuang Autonomous Region, Sept. 21, 2018. Xijiang River is an important trade route in southwest China. (Xinhua/Zhou Hua)
