OPTICAL illusion fans are going wild for this strange photo – but not everyone can see what’s hiding within it.
This is not your every day stone wall.
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The clever trick features something else if you look closely.
Magiceye0, who shared the snap, explains how to unlock the secret.
“Hold the screen close to your eyes and slowly move it away until a 3D image appears,” they explain.
It might not work the first time, so be prepared to give it several attempts.
And some people can’t get it to work at all, so you might need to see if a friend or family member can uncover the hidden image instead.
If you’re ready to give up, we can reveal what it is.
The hidden object is a triceratops dinosaur.
The clever illusion is actually known as an autostereogram.
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Some know it as Magic Eye, after a series of books on the trick.
It works by fooling our eyes and brains into seeing a three-dimensional scene within a two-dimensional image.
If you want try some more, there are other autostereogram tricks about.
This one hides something among a bunch of emoji faces.
There’s also another rain-themed one worth a try.
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This post first appeared on Thesun.co.uk
