Guo Xu (1st L), a volunteer from Beijing University of Posts and Telecommunications, introduces to two Egyptian journalists about the media center for the Beijing Summit of the Forum on China-Africa Cooperation (FOCAC) in Beijing, capital of China, Sept. 3, 2018. The FOCAC Beijing Summit involves some 2,500 volunteers, most of whom are students from 32 higher education institutions. The volunteers are mainly responsible for tasks in venue services, guest reception, registration, media services and transportation. (Xinhua/Luo Xiaoguang)