Photo taken on May 3, 2018 shows the May Fourth Square in Qingdao, a coastal city in east China's Shandong Province. Home to Tsingtao Beer and home appliance giant Haier, Qingdao is becoming a more attractive place to run important multilateral events. In June, the coastal city will host the 18th summit of the Shanghai Cooperation Organization (SCO). (Xinhua/Li Ziheng)

Photo taken on May 3, 2018 shows the old town in Qingdao, a coastal city in east China's Shandong Province. Home to Tsingtao Beer and home appliance giant Haier, Qingdao is becoming a more attractive place to run important multilateral events. In June, the coastal city will host the 18th summit of the Shanghai Cooperation Organization (SCO). (Xinhua/Li Ziheng)

Photo taken on May 23, 2018 shows a view of Qingdao, east China's Shandong Province. The coastal city will host the 18th summit of the Shanghai Cooperation Organization (SCO) in June. (Xinhua/Zhang Cheng)