Above: A drawing that depicts the transformation of a Steamlight wall-mount lamp opening, seen in section and plan. Credit: Yael Erel Center: An image of light textures cast by Steamlight lamps and the shadows of Yael Erel and Avner Ben Natan Photography: Avner Ben Natan and Yael Erel Below: A photographed sequence of the transformation of a four-iris field. Photography: Avner Ben Natan, construction with Laura Haak.
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