A gantry crane loads cargo onto a freight train bound for central Asia at the Jiaozhou Bay International Logistics Harbor in Qingdao, east China's Shandong Province, May 7, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9 to 10 in Qingdao, a coastal city in east China's Shandong Province. Since China took over the rotating presidency of the SCO last June, more than 160 activities including a series of important institutional meetings and multilateral events have been held so far. (Xinhua/Guo Xulei)