Mwaba Moono Chipili, the winner from the University of Zambia, sings during the preliminary round competition of "Chinese Bridge" in Lusaka, Zambia, May 28, 2018. The Zambian preliminary round of the 17th "Chinese Bridge" language proficiency competition for university students took place here Monday, with the students showcasing their knowledge of the Chinese language. (Xinhua/Peng Lijun)