Ключевые слова: acidify, acidifying, algae, algea, background, biology, bitter, climate, close up, covered, damage, dirty, ecology, ecosystem, environment, environmental, floating, flora, grass, green, grow, lake, laminaria, landscape, moss, natural, nature, outdoors, park, pattern, plant, plants, polluted, pollution, pond, seaweed, slimy, sour, still, summer, surface, swamp, swamp grass, texture, textured, vibrant, wall, waste, water, weed,