You can have 20/20 vision if you can spot the polar bear prowling in this bone-chilling optical illusion in 20 seconds
YOU might have 20/20 vision if you can spot the polar bear in this bone-chilling optical illusion within 20 seconds.
French photographer Florian Ledoux, 28, snapped the polar bear adrift on an ice floe in Nunavut, northern Canada.
The bear is just a tiny dot in Florian's aerial shot of the melting ice.
National Geographic describes the snap as a "natural visual puzzle - with a polar bear waiting to be found".
The slivers of ice floating across the chilly Arctic sea may look barren of life.
But if you peer closely at the bottom of the snap, you may be able to spot the bear walking across a fragile floe.
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Polar bears often hunt for seals and other prey in the cracks between the thin summer ice.
Florian often spends hours on end following bears to get the perfect shot.
He told CNN: "Every shot we get in the Arctic is a battle. We push our limits, we feel alive by doing it."
The self-taught Frenchman lives near Tromso in the far north of Norway, and often ventures into the Arctic in search of polar bears.
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His work has been featured on David Attenborough's stunning Frozen Planet series.
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