Modern suspension bridge. Detail of tower and steel cables. Barrios de Luna, Castile and Leon, Spain. Barrios de Luna, Highway, Leon, Reservoir, River, Suspension Bridge, barrios, blue, bridge, cable, cable-stayed, concrete, construction, design, engineering, europe, hanging, industry, infrastructure, landscape, luna, modern, nobody, outdoor, pillar, pylon, road, sky, spain, steel, straps, structure, suspension, technology, transport, transportation, travel