Ключевые слова: abandoned, abandoned factory, antique, architecture, board, building, business, circuit, connection, construction, control, cultural, cultural heritage, electric, equipment, evening, factory, heritage, historic, industrial, industrial ruin, industry, industry ruins, iron, ironworks, metal, old, panel, rust, saarland, sites, steel, steelmaking, switchboard, symbol, technology, tourism, vintage, world heritage,