You might think that this staircase rotates. But, it's not!

The movement of the people going down gives our brains the impression that the staircase turns in the opposite direction.

This is located in San Siro Stadium in Milan, Italy#happyweekend
Source: M. Soltani pic.twitter.com/BR6q01TpK6

— Pascal Bornet (@pascal_bornet) January 8, 2023

(photo: pixabay)