complexe construction site for the new railway trail from Stuttgart to Munich. Combined tunnel and bridge construction in the Fils Valley, Baden-Wuerttemberg, Germany

equipment, transport, huge, steel, industrial, technology, bridge, building, construction, industry, urban, complex, forest, highway, safety, europe, train, crane, engineering, site, germany, concrete, pipe, entrance, railway, metro, rails, pylon, subway, tunnel, 21, machines, overpass, viaduct, tunnels, flyover, s21, baden wuerttemberg, tunneling, railway track, Building site, construction sites, structural engineering, building lot, railway construction, tunnel construction, tunneller, steel constructions, over crossing, building mechanics,