Volunteers Wang Jie (1st L) and Shen Yu(2nd L), students from Shanghai Univesity of Traditional Chinese Medicine, help the visitors at the first China International Import Expo (CIIE) in Shanghai, east China, Nov. 7, 2018. More than 5,400 volunteers are serving at the CIIE which runs from Nov. 5 to Nov. 10, 2018. (Xinhua/Li Xin)