Guests attend the first Shanghai Cooperation Organization Political Parties Forum in Shenzhen, south China's Guangdong Province, May 26, 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/Mao Siqian)