Meanwhile, from 1979 to 1990, he headed the Franco-Egyptian Centre for the Study of the times of Karnak and Luxor. He collaborates on other archaeological sites in Egypt : its focus is more on the development of heritage on the excavations themselves.
Starting in 1989, he devoted refunds old heritage by drawings in watercolor. He has created to date more than 800 drawings by cities and ancient and medieval monuments. From 1992 to 2008 he was director of research at CNRS attached to the University of Bordeaux III, where he is involved in research on the restitution of ancient monuments and virtual reality (3D) in archeology. From 1995 he regularly participates in exhibitions. He has published numerous books and a regular contributor to several magazines. In 2010 he offered his studio collection (about 1,000 drawings and sketches) to the county museum of Ancient Arles.