Optical illusion baffling folks trying to find what's on the wall

There's an optical illusion out there that has been confusing a lot of people over the past few days.

Have you seen this?

The uncredited photo of a brick wall actually started appearing on several Spanish language websites in 2014, but now it's back.

The wall doesn't look like anything special to most people.

Take a moment and try to figure it out on your own.

Having trouble?

We'll give you a hint.

There's a cigar is sticking out from the middle. Can you find it?