Ключевые слова: architecture, architecture and buildings, attraction, bahn, bahnhof, berlin, berlin germany, blue, building, center, centre, city, commuting, europe, famous, germany, glass, journey, landmark, metro, modern, motion, people, place, platz, plaza, potsdamer, potsdamer platz, potsdammer, railroad station, railway, sight, sign, square, station, streetname, subway, tourism, tourist, town square, train, transport, transportation, travel, travel destinations, traveler, trip, u bahn, underground, urban,