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Tourists take photos at the May Fourth Square in Qingdao, east China's Shandong Province, May 31, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9-10 in Qingdao. (Xinhua/Zhu Zheng)
Tourists take photos at the May Fourth Square in Qingdao, east China's Shandong Province, May 31, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9-10 in Qingdao. (Xinhua/Zhu Zheng)