Here's a link to an interesting (and amusing) Belgian documentary on the moustache, from 2014. Narration in English, with English subtitles.
http://www.mathiasdesmarres.com/index.php?article4/comme-une-envie-de-moustache
http://www.mathiasdesmarres.com/index.php?article4/comme-une-envie-de-moustache
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