Looking up shot to huge coral reef formation with surface background

coral sea healthy coral scuba diver point of view ocean bottom ocean life scuba diving marine life school of fish undersea underwater world snorkelling coral cnidaria soft coral shoal aquatic biodiversity aquatic organism oceanscape aquarium water surface marine animal ecosystem below the nature world exploration seascape sponge environmental conservation water wide angle blue animal behavior beauty in nature travel destinations aqualung looking up peaceful nature tranquil scene awareness in the wild no people marin natural light nobody deep shiny garden truck