Ivanova Olga (1st R), a Russian overseas student at Qingdao University and a volunteer of the 18th summit of the Shanghai Cooperation Organization (SCO) , talks with a girl in Qingdao, east China’s Shandong Province, June 8, 2018. The 18th SCO summit will be held in Qingdao on June 9-10. (Xinhua/Jiang Kehong)