Ключевые слова: abandoned, architecture, blue, building, business, cement, chemical, commercial, concrete, construction, crane, development, empty, engineering, environment, equipment, facility, factory, garage, heavy, house, indoor, industrial, industry, interior, machine, manufacturing, metal, mine, pipe, plant, processing, production, roof, ruin, sand, silo, site, sky, staircase, station, steel, storage, structure, system, tank, technology, tube, warehouse, work,