After the rain washes the sky, and when the evening sun is falling down from the clouds gradually, and spilling the soft after glow to the Taishan Mountain, looking up to the western sky, you can find that the scenery on the peak is colored layer by layer and that the color of the clouds is colorful under the glowing of the evening sum, which looks too mysterious to be understood. "The crystal spring running down ten thousand ren high, the glow of the setting sun covering thousand hills." The scenery of the after glow is so beautiful and enchanting that numerous tourists are infatuated with it.