Ключевые слова: alga, algae, aquatic, background, beauty, biology, botany, bottom, bright, calm, clean, closeup, day, dirty, environment, flora, grass, green, growth, lake, leaf, liquid, mud, nature, outdoor, pattern, petal, plant, pond, pool, pure, reflection, river, rock, season, shallow, shoal, slime, slimy, stagnant, stream, summer, sunlight, swamp, texture, underwater, vegetation, water, weed, wet,