6 Bilder zum Thema "pondscum" bei ClipDealer

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Image of wastewater pond with scum on top of water from eutrophication.
Image of wastewater pond with scum on top of water from eutrophication.
image of waste water pond with scum on top of water from eutrophication.
image of waste water pond with scum on top of water from eutrophication.
Swamp water
image of waste water pond with scum on top of water.

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