We all get caught out by optical illusions - from black and blue dresses to objects hidden in plain sight.
The latest one to do the rounds online is actually an old puzzle first published in 1880 showing a horse standing in front of a woman in a doorway.
However, a man is hidden in the picture but only people with a high IQ can track him down within 15 seconds. The puzzle simply asks: "Where is the Miller?"
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The tricky image is just another fun way to test your IQ and those who get it quick have a high level of intelligence.
So take a look at the optical illusion and try to spot the face of the hidden man.
Let us know how you get on in the comments section below...
In the image, shared by JagranJosh, people are left scratching their heads while trying to find the man.
Those who are still struggling after the 15 seconds, can benefit from this handy tip.
Take a close look at the optical illusion by rotating the image where you'll be able to spot the horse rider's hidden face.
Scroll down below for the answer...
It has been claimed if you find the hidden face fast, it's a sign of extraordinary intelligence or a high IQ level.
Studies show the more you exercise your brain with difficult puzzles, the smarter you tend to be.
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