Dunhuang: more than just an ancient city

You may have heard that Dunhuang is an ancient city, but what you might not know is that it is also a field of study in academia. So what exactly are Dunhuang studies？Why do they matter? People's Daily reporter took these questions to Neil Schmid, the first foreign full-time researcher at the Dunhuang Academy. (Produced by Xu Zheqi, Zeng Yichen, Zou Yun and intern Li Jialu)