In the video, a person is seen pouring a white powdery substance into a container filled with rocks. The powder is being poured from a small plastic bag, and the person is using their fingers to hold the bag open. The rocks in the container are of various sizes and colors, including shades of green, brown, and gray. The container appears to be a small plastic bin or container, and the white powder is being poured onto the rocks, creating a contrast between the white powder and the darker rocks. The person's hand is visible as they pour the powder, and the action is deliberate and careful.