In the video, a person is seen using a trowel to apply a dark-colored substance to a wall. The person is wearing a yellow glove on one hand and is using a red tool to spread the substance evenly. The wall appears to be in the process of being painted or coated, as the substance is being applied in a smooth, even layer. The person's movements are deliberate and careful, ensuring that the substance is spread evenly across the surface of the wall. The video does not provide any additional context or information about the location or purpose of the wall.