50.4 MB (2.6 MB compressed)
3614 x 4877 pixels
30.5 x 41.4 cm ⏐ 12.0 x 16.3 in (300dpi)
ROBERT BROOK / SCIENCE PHOTO LIBRARY ROBERT BROOK / SCIENCE PHOTO LIBRARY
Polluted canal. Narrowboat on a canal that has been clogged with weed and algae due to pollution. The overgrowth of water plants is due to fertilizer runoff from nearby farms, and is known as eutrophication. Photographed on the Shropshire Union Canal, Ellesmere Port, Cheshire, UK.
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