[Gardening and landscaping - The competition of the "green" lines]

alemania allemagne amenity planting carreteras conservation de la nature empresas enterprises entreprise explotaciones privadas gardening germany inversiones investissement investment jardinage landscape landscaping main d'oeuvre mano de obra manpower nature conservation opinion publique paisaje paisajismo paysage private farms public opinion public works roads route travaux publics waste disposal zonas verdes