Ключевые слова: abstract, algae, aqua, aquatic, background, beauty, blue, bottom, clean, clear, diving, ecology, ecosystem, environment, fish, flora, forest, fresh, freshwater, grass, green, growth, kelp, lake, landscape, leaf, life, light, marine, nature, ocean, plant, pond, river, scenic, sea, season, seaweed, shallow, spring, summer, sun, sunlight, sunshine, surface, texture, tropical, underwater, water, wet,