The Chinese internet loves 666, slang that became popular online and then a phenomenon offline too. You can see 666 all over China: on t-shirts, store signs, even cigarettes.
In the first of a series of weekly explainers on China's internet, we break down why people love 666 and how this became a thing.
Written and voiceover by: Dolly Li and Timmy Shen
Produced by: Dolly Li and Timmy Shen
Shot by: Annie Hall
Edited by: Annie Hall
Mastered by: Victor Peña
Music: Audio Network
Additional Footage: Kuaishou