A foreign student (R) learns to make dumplings from his teacher in celebration of the Winter Solstice or Dongzhi in Taiyuan University of Technology, Taiyuan, capital of north China's Shanxi Province, Dec. 22, 2019. Foreign students observe the tradition of having dumplings for dinner on the Winter Solstice with their teachers in the university Sunday. (Xinhua/Chai Ting)