People are confused about this brick wall. Do YOU see it too?

UK resident Arron Bevin posted it to his Facebook page with the message "This is one of the best optical illusions Iv seen."  and "Took me a good 5 minutes"

Once you see it, you probably kick yourself.  But this simple optical illusion is frustrating and confusing people across Facebook.  The challenge is to spot anything unusual in this brick wall photograph.

People give their comments “I'm done looking... There's nothing there” and “There's nothing there I give up.”

Other says  "it took me SOOOO long to get that brick wall optical illusion thing. So obvious now hahaha" and "Once you see the illusion in this brick wall you'll feel you've achieved everything in life."