Old ocher extraction gallery, Luberon Regional Nature Park, Vaucluse, France

regional natural park spring erosion rock mine tunnel indoor overview colorful ochre vaucluse 84 april luberon regional nature park nobody natural park environment protection environment management biodiversity management environment temperate season seasons atmosphere earth's crust mining industry economic activity infrastructure transport shot colour mineral matter matter (substance) provence alpes cote d'azur france european union europe continent month of year individual regional natural parks erosions wear (geology) rocks underground mines mines underground mine deep mining tunnels inside indoors overviews global sight global sights full length colourful rudy colorfully colored ochres with nobody