Beautiful " light box " For hundreds of years, the almost forgotten and almost lost “box light” was rediscovered and rescued by ancient artists, bringing back its splendor. When the light is turned on, it is suspended high and, starting with the lowest layer, one layer is turned on and another is released, until it reaches the top. When the gunpowder is ignited, it not only reveals the outer contour of light, but also ignites its interior, creating a display of bright, sparkling fireworks. reall