Photo taken on June 1, 2018 shows Wusi Square in Qingdao, east China's Shandong Province. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Guo Xulei)
Photo taken on June 4, 2018 shows a flower installation in Qingdao, east China's Shandong Province. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Zhu Zheng)
Photo taken on June 2, 2018 shows Wusi Square in Qingdao, east China's Shandong Province. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Jiang Kehong)
Photo taken on June 3, 2018 shows Wusi Square in Qingdao, east China's Shandong Province. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Purbu Zhaxi)
Photo taken on June 3, 2018 shows flowers along a road in Qingdao, east China's Shandong Province. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Purbu Zhaxi)
Photo taken on June 4, 2018 shows flowers at Wusi Square in Qingdao, east China's Shandong Province. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Guo Xulei)
A staff member decorates a sign of Shanghai Cooperation Organization (SCO) Summit in Qingdao, east China's Shandong Province, June 2, 2018. The 18th SCO Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Ma Ning)
Photo taken on June 4, 2018 shows red lanterns in Qingdao, east China's Shandong Province. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Zhu Zheng)
Photo taken on June 4, 2018 shows an installation made of flowers in Qingdao, east China's Shandong Province. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao. (Xinhua/Li Ziheng)
A streetcar runs on a street 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 bus runs on a street 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/Ma Ning)
