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Photo filter aims to stop cherry tree damage

Wuhan University in Hubei province has created a special photo filter to mimic the effects of falling cherry blossoms to stop tourists from damaging the trees. Famed for its thousand cherry trees, the university attracts large crowds of visitors every spring. But some of the visitors have caused problems by climbing the trees or shaking them to make the petals fall around them. The new filter, designed in partnership with the video and livestreaming platform Douyin, allows visitors to add this "cherry blossom special effect" to their own photos without damaging the tree.

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