Whether it’s the infamous black and blue (or gold and white) dress, or a cat hidden behind a row of houses, there’s always an image that sweeps the internet as folks scratch their heads.
The latest snap in this trend tasks viewers with finding a ballerina amongst a flamboyance of flamingos, with a time limit. In this optical illusion challenge, it's tough to pink the pink ballerina amongst the majestic animals.
Those who can find her within five seconds are supposedly within the top 1 per cent of IQ scores - not a bad place to be.
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For guidance, if you scan up and down the snap you might be able to spot her in a pink dress with blonde hair. We realise that's not much help in a sea of pink flamingos with yellow beaks.
For those of you who struggled - we’ve got you covered. You can find her circled in red below.
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