Woher kommt die Gesichtsmaske?

About

In Asia it has long been part of everyday life. But where does the face mask come from, why was it invented in the first place, and how does it actually work?

Archive

Wikimedia Commons, in Wikimedia Commons

Licence or status

CC BY 4.0, as the Wikimedia Commons states it.

Rights statement

Creative Commons Attribution 4.0

Credit

3sat/nano/Raketenfilm/Andreas Gust/Konstantin Fuchs

Subtitles

German

Who can watch

The archive gives no rating. Invisible Network shows it to Teens profiles and older, judged from its collection and subjects. How films are placed