Non-AMP link: https://boingboing.net/2020/12/15/the-quiet-horror-of-proced...

Procedurally generated things are not always as expected:

https://www.youtube.com/watch?v=fG_ErhAeROU

More broadly speaking, liminal spaces

https://www.youtube.com/watch?v=N63pQGhvK4M