Orazbayeva Moldir, a Kazakh overseas student at Qingdao University, works as a volunteer of the 18th summit of the Shanghai Cooperation Organization (SCO) 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)