It's called the Ames Room, and it was invented by American ophthalmologist Adelbert Ames, Jr. in 1946 to screw with your brain.
https://video.nostr.build/1e235549c05a1f0629358bfb8a64c0fa674c32dbcbbcaa450a52fa008a88ca78.mp4
[📹 La casa De La Ciencia] #interesting #videos #amazing #ilusion #trick