In the video, a man is seen working on a plumbing system. He is wearing glasses and a black shirt. The man is kneeling down and appears to be adjusting a valve on a pipe. The pipe is part of a larger plumbing system that includes several other pipes and valves. The man seems to be focused on his task, carefully manipulating the valve. The plumbing system is complex, with multiple pipes and valves visible in the frame. The man's actions suggest that he is either fixing a problem or performing routine maintenance on the plumbing system.