top view wastewater with air bubbles and moss flowing through cracked ditch oxygen bubble dirty sewage water treatment |
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| navigate by keyword : abstract air algae backdrop biological bubble bubbles channel contaminants dirt dirty ditch drain drainage ecology environment eutrophication flow flowing fluid landscape leaking liquid moat moss motion nature outdoor oxygen pollutant polluted pollution puddle putrid rot rotten sewage sewer sewerage slime stinking stream surface texture toxic trench waste wastewater water watercourse top view cracked treatment filled effluent |
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| Top view of wastewater with air bubbles and moss flowing through a cracked ditch. Oxygen bubble in dirty sewage water treatment in a water filled ditch. The surface of the effluent has air bubbles |
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