The video shows a close-up of a waterfall in an aquarium. The waterfall is made of rocks and has green plants growing on it. The water is flowing down the rocks and creating a soothing sound. The camera pans around the waterfall, showing it from different angles. The waterfall is surrounded by other rocks and plants, creating a natural and peaceful environment. The water is clear and the rocks are of various sizes and shapes. The green plants add a touch of color to the scene.