Take a look at this optical illusion. Is the cat walking up the stairs or going down them? However long you study this picture, you can see arguments for both points of view. In fact, The Daily Mail originally asked this question and nobody seems to have a conclusive answer one way or another.
Is this just another way for cats to mess with our minds? Or is this just another way for us to spend our time looking at cats on the Internet while pretending to exercise our brain cells? You be the judge.