In 1940, four teenagers discovered the Lascaux cave. The tourist appeal of this monument to prehistoric cave art was considerable: between 1948 and 1963, a million visitors flocked to Montignac. The town prospered accordingly, and even changed its name to Montignac-Lascaux. However, the cave’s fragile climatic equilibrium suffered from over-exploitation by tourists. In 1963, the cave was closed to the ...