Only eagle-eyed viewers will be able to pick out the red skis on this crowded beach optical illusion in 15 seconds or less.
Optical illusions are visual phenomena that play tricks on the mind, challenging and distorting our perception of reality.
Optical illusion
When you encounter these illusions, they're like little puzzles that test how closely you pay attention. Plus, they give scientists a peek into how our brains make sense of what we see
How Does It Work?
An unknown artist created this cheerful painting, which has puzzled observers for years.
On the beach, dozens of red-and-white striped chairs are stacking up with the occasional umbrella.
Further inspection reveals many tiny crabs scurrying across the sand and two dolphins jumping in the distance.
How about a little set of red skis?If you saw them in 15 seconds, you may have 20/20 vision.
The long, narrow, red skis match the chair's stripes.If you're stuck, start with the boldest stripes.
Looking at the bottom right corner warms you.
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