The slide shows a boy facing a UV lamp, a lamp that is supposed to correspond to the sun. At the same time, the image is illuminated from behind by a yellow small light bulb. The transparency of the slide allows new light to be added or
removed and therefore changes the image, make it disappear or appear. Depending on the light and surroundings, the image is experienced differently and The image of the boy becomes imperceptible and fades in order to also appear.