Qingdao Int'l Ocean Science and Technology Exhibition held in Shandong

Source: Xinhua| 2018-09-12 21:29:37|Editor: Li Xia

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People watch a competition of underwater robots during the Qingdao International Ocean Science and Technology Exhibition in Qingdao, east China's Shandong Province, Sept. 12, 2018. The exhibition opened here on Wednesday, and will last for three days. (Xinhua/Liang Xiaopeng)