THIS mind-bending optical illusion has stumped some viewers who cannot find all of the male and female hidden faces.
Only one percent of the population can spot the images sneaked into this black-and-white illustration of a tree.
Take a long look at the picture and see just how many faces you can spot.
If you can see 10 people, then you actually found all the profiles in the image.
The illusion called the National Leaders Trees is said to include the faces of Margaret Thatcher and ex-Soviet leader Mikhail Gorbachev.
Some say the drawing dates back to 1880 and was created for Harper's Illustrated, but the exact history remains a mystery.
This mind-blowing illusion comes as another clever image reveals if you're too much of a people pleaser or love drama.
The edited picture of a person inside a sunflower can reveal your biggest flaw.
And you could have 20/20 vision if you can spot this cat hiding in its owner's unmowed backyard.
While at first glance you only see tall weeds and greenery, a hard look reveals the furry friend enjoying some sun.
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And in case this one is too easy, test your eye by trying to find another cat hidden in a floral garden.
There's no harm in finding the odd cow inside a mind-bending brainteaser.
Also, most people could spot the horse hidden in this tricky optical illusion, but can you do it in fewer than five seconds?
Or, figure out if you're left or right-brained by counting how many watermelons you can see in this mind-bending illusion.