http://cnet1.cbsistatic.com/hub/i/r/2015/04/09/5ce75fd2-3f05-4a91-aada-f144417711db/resize/770x578/330a7fc56eecb830ba09b913ad84743f/catstairs.jpg

A very mind boggling picture.....

I voted DOWN but really we cant know!!! :confused:

I don't see where the problem is - you can clearly see the nose on each of the treads; the overhang and shadow is obvious.

Yeah your right Rob,i got it right :)