Unseen invisible in the day or at night unless illuminated by UV light, the walls glow with graffiti by nature - moss, lichens, algae, Oniscus asellus

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Woodlice glow light blue and algae and lichens brighten up a drab wall revealed wonders by blacklight

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Size: 7360px × 4912px
Location: Vigo, Gravesend, Kent, UK
Photo credit: © Yon Marsh Natural History / Alamy / Afripics
License: Licensed
Model Released: No

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