In the video, a person is seen using a trowel to spread a gray substance, which appears to be concrete, on a floor. The person is wearing a white shirt and is using a black trowel to evenly distribute the concrete. The floor has a black circular object in the center, which could be a drain or a hole. The person is moving the trowel in a circular motion to ensure that the concrete is spread evenly. The walls of the room are white, and there is a white pipe running along the wall. The lighting in the room is bright, and the concrete appears to be wet.