The video shows a person in a blue wetsuit swimming underwater. The person is wearing yellow fins and a snorkel mask. The water is clear and blue, and there are coral reefs visible in the background. The person is swimming slowly and gracefully, moving their arms and legs in a coordinated manner. The coral reefs are colorful and diverse, with various shapes and sizes. The person appears to be exploring the underwater environment, taking in the sights and sounds of the ocean.