Song Xiaobao, a comedian of a song-and-dance duet popular in northeast China, speaks at the "Back to Class" event held by Jack Ma Foundation in Sanya, south China's Hainan Province, Jan. 6, 2017. A total of 100 rural teachers selected by the foundation as 2016 "Jack Ma Rural Teacher Initiative" winners attended the event on Friday. (Xinhua/Yang Guanyu)
