état (1) préservation de la nature (1) histoire (1) forêt (1) conservation (1) France (1) Franche-Comté (1) Canton de Genève (1) Canton de Neuchâtel (1) Suisse (1) Conservation (1) Employment (1) History (1) Article (1) Communication (1) Fiction (1) Photographs (1) Digital media (1) Protected areas (1) Multimedia systems (1) World history (1) Twentieth century (1) Turning (Lathe work) (1) Thought and thinking (1) Sphere (1) Sound recordings (1) Social sciences (1) Scientists (1) Public lands (1) Production (Economic theory) (1)