Join French photographer Sylvain Margaine as he explores the abandoned Gandrange steelworks or the decommissioned Uckange blast furnaces in Lorraine, a spectacular marine graveyard in Brittany's Crozon peninsula, a forgotten chateau on the outskirts of Paris, a derelict sanatorium in the Alps, the remains of a magnificent Art Deco concert hall in the north, a
disused hospital in the south - west, a
military fort in the Pyrenees, now off - limits, and a former wine storage cellar in Normandy.