Ключевые слова: aquatic, beauty, biology, blue, bubble, calm, clean, clear, deep, ecology, ecosystem, environment, fauna, fish, flora, forest, fresh, green, growth, habitat, lake, life, light, natural, natural world, nature, oxygen, peaceful, picturesque, plant, pristine, pure, ray, scenic, school, serene, submerged, sunlight, swim, tranquil, tree, trunk, turquoise, underwater, vibrant, water, wild, wilderness,