#UporDown: Which way is the cat going?

#UporDown: This was the trending question on social media this week, thanks to a photo of a cat coming down some stairs. Or is it going up some stairs?

The pic was uploaded on Imgur a few days, sparking debate online. Some feel the cat is going down. Others feel its going up. But then check out the construction of the stairs..:-). So, which way is the cat  going?