Then again, cat towers and scratching posts are usually covered in a carpet material, so it's easy to see why she's confusing stairs for a feline enrichment tool. Related: Unexpected Surge in ...

One of the most confusing pictures on the internet is that of a cat on stairs. The feline’s direction is ambiguous, making it almost impossible to conclude whether it’s going up or down.

“Does the cat walking up or down the stairs?” reads the caption accompanying the optical illusion with a thinking emoji. It was originally posted on 9GAG in 2015 and has been confusing people ...