Peking opera mask, is a kind of special make-up method with the Han culture.
Because every historical figure or type of character has a general spectrum, like singing, music must follow the same score, so called "Facebook."
About the source of Facebook, the general statement is from the mask.
Peking Opera is a very popular art of opera fans. It is popular both at home and abroad and has been widely recognized as one of the symbols of Han traditional culture.