In the video, a person is seen using a tool to tighten a bolt on a wall. The tool appears to be a wrench or a similar type of tool used for turning or adjusting bolts. The person is applying force to the tool, which is being used to tighten the bolt. The wall appears to be made of a material such as concrete or metal, and the bolt is located near the edge of the wall. The person's hands are visible in the video, and they seem to be exerting a significant amount of force to tighten the bolt. The video does not provide any additional context or information about the location or purpose of the action.