The video shows a person cleaning a roof with a high-pressure water sprayer. The person is standing on a ladder and spraying water onto the roof. The water is being sprayed at a high pressure, and the person is moving the sprayer back and forth to clean the entire area. The roof appears to be made of shingles, and the water is making them look clean and refreshed. The person is wearing protective gear, including gloves and a face mask, to ensure their safety while working at height. The video is shot during the daytime, and the sky is clear and blue.