Deep in France's southern Lubéron mountains lies a stunning red and orange landscape reminiscent of the vast plains of America: the Colorado provençal. This spot of wild nature is in fact a former open-cast ochre quarry. Every year, some 300,000 visitors venture through these 30 unusual hectares, between fairy chimneys and strange sculptures, to discover the remains of the site's industrial past. FRANCE 24 takes a closer look.