Reedbed filtration system. Common reed plants (Phragmites australis, centre) in an effluent filter bed. Photographed at the Wildflowl and Wetland Trus

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Reedbed filtration system. Common reed plants (Phragmites australis, centre) in an effluent filter bed. Photographed at the Wildflowl and Wetland Trust Centre, Arundel, Sussex, UK, in May.

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Size: 4929px × 3944px
Photo credit: © ANTHONY COOPER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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