In the video, a person is swimming in a pool. The camera is positioned underwater, capturing the swimmer's movements as they glide through the water. The swimmer's arms are seen moving in a coordinated manner, pushing through the water to propel themselves forward. The swimmer's legs are also visible, kicking back and forth to maintain momentum. The water is clear, allowing for a detailed view of the swimmer's technique. The swimmer appears to be wearing a swim cap and goggles, which are common accessories for swimmers. The pool itself has lane dividers, indicating that it is likely a competitive swimming pool. The lighting in the pool is bright, illuminating the swimmer and the surrounding area. Overall, the video provides a detailed and dynamic view of the swimmer's technique and the environment in which they are swimming.