Ключевые слова: alga, algae, beautiful, biology, brown, color, contaminated, ecology, environment, flora, forest, garbage, grass, green, lake, landscape, natural, nature, nobody, ocean, outdoor, pattern, plant, pollution, pond, river, rock, sargasso, sea, slime, slimy, stream, summer, surface, tangle, texture, underwater, waste, water, weed, yellow,