Ключевые слова: abstract, aqua, aquatic, australia, background, beam, below, beneath, blue, bottom, caribbean, conservation, dark, deep, depth, diving, ecosystem, environmental, fantasy, happiness, horizontal, life, light, liquid, marine, nature, no people, ocean, photo, ray, reef, ripple, scene, scuba, sea, sun, sunbeam, sunlight, surface, tranquility, tropics, turquoise, turtle, under, underwater, vitality, water, wave, wildlife,