In the video, a person is seen cleaning a fish tank with a brush. The person is wearing a black shirt and has a white glove on their hand. The fish tank is filled with water and has several small orange fish swimming around. The person is using the brush to clean the glass walls of the tank. The fish are swimming around the brush and the person's hand as they clean the tank. The lighting in the room is bright, and the water in the tank is clear.