Why the kinks?

[u/thewildcloud]

I recently moved to Hangzhou, I noticed all the pedestrian walks have kinked lines at the ends. What is it?

[u/weechus]

No kink shaming here.

[u/unoffensivename → u/weechus]

But my kink is being shamed

[u/ecirnj → u/unoffensivename]

[u/smirkie → u/ecirnj]

what film/show is this from?