Optical illusions are genuine gymnastics for the eyes and brain. Although some can solve such illusions at a glance, others struggle for hours.
In the drawing bellow, you can see three hidden people. Precisely – only one percent of people manage to spot three lost sick patients affected by yellow fever.
Start with the doctor’s hair and you’ll see the profile of the bearded man, then the face in the sheets seems the most obvious, next the woman hidden in the face.
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