Ключевые слова: algae, aquatic, background, biology, bloom, bog, closeup, color, concept, contaminated, cyanobacteria, danger, detail, dirty, disaster, dnieper, ecology, ecosystem, environment, floating, flora, green, growth, lake, landscape, marsh, mire, nature, ocean, organic, outdoor, pattern, plant, pollution, pond, pool, river, scum, sea, seaweed, slime, stagnant, stone, summer, surface, swamp, texture, water, weed, wet,