In the video, a person is seen using a trowel to apply mortar to a brick wall. The person is wearing a red jacket and is standing in front of the wall. The trowel is being used to spread the mortar evenly across the wall, and the person is using a back-and-forth motion to ensure that the mortar is spread evenly. The wall appears to be made of red bricks, and the mortar is a light gray color. The person is wearing gloves while applying the mortar.