Autumn evening. Golden birch near pond.
Biological ponds represent artificially created reservoirs for the biological sewage treatment based on processes which happen at nature self-cleaning of lakes and a reservoir favorable conditions for mass development of water organisms for example, particular planktonic algas which assimilate biogene elements and as a result of process of synthesis enrich water with the oxygen necessary at oxidation of organic substances.
Size: 6145px × 4500px
Location: Vitebsk region, Ruba settlement, Belarus.
Photo credit: © Vadzim Kandratsenkau / Alamy / Afripics
License: Licensed
Model Released: No
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