Optical illusion: Only those with sharp vision can spot the odd 5 hidden among a sea of identical "2s" and "3s"
Are you ready for a fun, challenging test of your observational skills? Well, today's optical illusion presents the exciting ...
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Only people with 'expert' eyesight can spot snake hiding in less than one minute
A Reddit user shared a photo of their Kenyan sand boa snake hiding in its vivarium, and challenged people to see if they could spot the snake - but it's much harder than you may think ...