Volunteers seen on street in host city of 18th SCO Qingdao Summit

Volunteers give information to tourists at a service station in Qingdao, east China's Shandong Province, June 2, 2018. The 18th Shanghai Cooperation Organization (SCO) Summit is scheduled for June 9-10 in Qingdao. Volunteers are easily seen on the street. (Xinhua/Liu Junxi)