Beautiful cinematic closeup of colorful biodiverse coral reef with different species of fish swimming while sunlight rays shine under the blue tropical ocean of the Great Barrier Reef, Australia

great barrier reef ocean acidification snorkelling reef diving coral underwater scuba biodiversity sea ecosystem ocean dive diver fish habitat conservation turquoise water island wildlife travel marine paradise calm biology animals species blue nature climate change tranquil exotic serene global warming peaceful vacation cinematic beautiful tropical bleaching glistening colorful red sunlight sun rays glowing life sparkling