A foreign student learns to make dumplings to celebrate the upcoming Winter Solstice festival at an Arts and Science College under Shanxi Normal University in Linfen, northwest China's Shanxi Province, Dec. 20, 2017. Winter Solstice, the shortest day of the year, falls on Dec. 22 this year. In Chinese culture, it marks the beginning of deep winter and a break from farming in traditional agricultural society. It is also a time for family gatherings. (Xinhua/Yan Ruipeng)