The video expounds the two faces of Mr. Cai Yuanpei, and how did he finally get his genuine enlightenment about the future of China.  BTW, the narrator in the video is a not only a young intellectual but also a lady of ineffable beauty. 

《蔡元培传》什么才是蔡元培真正的觉醒年代？ - 西瓜视频 (ixigua.com)