Student Le Anh Duc of the Hanoi University performs during the qualifying round of the 17th "Chinese Bridge" held in Hanoi, Vietnam, on May 25, 2018. Hanoi University in conjunction with the Chinese Embassy in Vietnam on May 25 organised the qualifying round of the 17th "Chinese Bridge" - the annual Chinese proficiency contest - for students of universities and colleagues in northern provinces and cities. (Xinhua/Yan Jianhua)