Only a genius can tell the difference in this optical illusion.
Learn about perception as an art form and the intriguing relationship between truth and deception.
It is not possible to gauge intelligence using optical illusions; their purpose is to trick our minds.
Two almost similar photographs make up the illusion, but there's really just a tiny detail that sets them apart.
To succeed, you must focus intently and observe every aspect.
Take your time comparing the two pictures; there's no need to hurry.
If you find yourself stuck, take a break and return to the problem with new perspective.