1993-1997. Alain Conreau made a building in Saint Priest (suburb of Lyon) housing a holographic concrete table. The bench was wery sensitive to the vibrations. The holograms were registered late in night. However numerous large holos were done, with sizes reaching 224 cm x 112 cm. ( “Neurone”, “Viaduc du Chavanon”, Maximo Alda’s “Design in time” or dancer, Ramon Benito’s “Mujer”, “Dama d’ Elx”, “Pterosaures”… etc. ).