Children play on a square in Qingdao, east China's Shandong Province, June 3, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Zhang Cheng)
Students of a middle school play football in Qingdao, east China's Shandong Province, June 4, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Li Ziheng)
A man goes windsurfering in Qingdao, east China's Shandong Province, May 4, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Zhang Cheng)
Citizens pose for photo at the Olympic Park in Qingdao, east China's Shandong Province, June 4, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Li Ziheng)
Children practice roller skating in Qingdao, east China's Shandong Province, June 4, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Li Ziheng)
A man does exercises at a park in Qingdao, east China's Shandong Province, June 3, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Jiang Kehong)
A sailboat is seen in the water in Qingdao, east China's Shandong Province, June 4, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Yin Gang)
