Life at the bottom of the ocean is always a fascinating topic, no less the mysteries of the universe. There have been many documentaries about the ocean that you have seen on TV channels . Underwater.kr, the ocean bottom series of the film crew, is completely different. A colorful ocean floor, always moving, captivating viewers. The video below is done with a single DSLR camera, which is a Canon 7D, with a few specialized devices to be able to shoot underwater with great pressure.