The video is shot in night vision, and it shows a person walking through a tunnel. The person is carrying a backpack and is walking at a steady pace. The tunnel is dimly lit, and the person's figure is visible against the dark background. The person's movements are steady and deliberate, and they appear to be alone in the tunnel. The video does not contain any dialogue or sound, and there are no other visible objects or people in the tunnel. The person's face is not clearly visible, and their gender, age, and race cannot be determined from the video. The video does not contain any visible text or subtitles.