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 State of waters – boy and frog, keywords:
 state of surface waters water quality effluents pee wee urine frog kids Manneken pis pollution pollutant wastewater eutrofication children cartoon

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State of waters – boy and frog

lakes_and_seas_kaivovesi_en.jpg lakes_and_seas_kunnostaminen_ideointi_en.jpg lakes_and_seas_manneken_en.jpg lakes_and_seas_puhdas_juomavesi_en.jpg lakes_and_seas_sadevesi_en.jpg