The work 'Éminence grise' consists of many layers of oil paint on top of each other, which gives it a lot of texture. It looks a bit like a landscape where all kinds of traces of former inhabitants seem to be visible. Like an archaeological map. At first glance this work seems to consist of nothing but gray, but if you look longer, you can see that there are many subtle shades of color: white, ochre, dark gray. It is a work you can look at for a very long time.