Only people with 'eyes of a sniper' can spot iguana hiding in sunny garden snap It's no secret when it comes to puzzles, people can't resist working them out.
Recently someone shared the perplexing picture on Reddit, and it's got a lot of people talking.
Since the picture was shared on Reddit, dozens of people have been talking about it and sharing their answers.
Perhaps that's why when you're told you need to have the "eyes of a sniper" to work out a tricky optical illusion, the first thing you're going to do is try and spot it.
One wrote: "I found him in nearly the first place I looked, but I missed him the first time.
