The video shows a person swimming underwater in a lake. The person is wearing a snorkel and is surrounded by aquatic plants. The water is murky, and the visibility is low. The person is moving slowly through the water, and the camera captures the movement of the plants and the person's body. The colors in the video are muted, with the green of the plants and the person's skin tone being the most prominent. The video does not contain any other objects or people.