Ключевые слова: adventure, architecture, berth, bridge, bridge pier, bridges, building, concrete, construction, engineer, footings, forest, hazard, industry, infrastructure, landmark, landscape, metal, natural, nature, object, old, outdoor, overpass, pathway, pier, plank, rail, rail bridge, rail crossing, rail line, railroad, railway, railway bridge, rust, scenic, site, steel, structure, technology, track, train, transport, transportation, tree, view, vintage, wilderness, wood, wooden,