Li Chunsheng, Deputy Secretary General of the China Education Association for International Exchange (CEAIE), speaks at the opening ceremony of the China-Serbia Higher Education Seminar and Exhibition at the University of Novi Sad, Serbia, on Oct. 10, 2018. Representatives of universities of China, Serbia and regional countries gathered at the "China-Serbia Higher Education Seminar and Exhibition" on Wednesday in order to discuss ways to promote student mobility and the development of internationalization. [Photo/Xinhua]