Ключевые слова: ancient, architecture, background, building, business, construction, culture, decay, dirty, energy, engine, engineering, equipment, europe, factory, famous, grunge, heavy, historic, historical, history, house, industrial, industry, interior, landmark, light, machine, machinery, metal, monument, obsolete technology, old, outdoor, pipe, plant, power, production, steel, stone, street, structure, technology, tourism, transportation, travel, urban, vehicle, vintage, work,