Ключевые слова: algae, angle, aquatic, background, beauty, blue, clean, clear, close, design, detail, ecosystem, environment, fish, flora, flower, freshwater, freshwater flora, grass, green, habitat, lake, lakes, landscape, life, light, lutea, mountain, natural, nature, plant, pond, river, rivers, scene, season, stream, summer, sun, sunlight, surface, under, underwater, underwater freshwater, underwater river, water, weed, winter, yellow,