The video shows a man swimming underwater in a large fish tank. He is wearing a yellow wetsuit and is surrounded by a variety of fish. The man is holding onto a large glass panel, which is part of the fish tank, and he is looking at the fish as they swim around him. The fish are of different sizes and colors, and they seem to be curious about the man as he swims by. The water is clear, and the lighting in the tank highlights the vibrant colors of the fish. The man appears to be enjoying the experience, and he is smiling as he looks at the fish.