Ключевые слова: architecture, bahn, berlin, berliner, board, capital, center, city, commute, design, deutschland, german, germania, germany, indication, light, line, mass, metro, motion, net, panel, platform, post, public, rail, railroad, railway, rapid, sbahn, sign, spittel, spittelmarkt, station, subway, traffic, train, transit, transport, transportation, tube, tunnel, u, ubahn, underground, urban, wall,