Underground railroad station lit up at dusk, Beisheim Center, Potsdamer Platz, Berlin, Germany

Facade of railroad station, Warsaw Street, Berlin, Germany

Subway sign, Alexanderplatz, Berlin, Germany, low angle view

Underground railroad station lit up at dusk, The Ritz-Carlton, Beisheim Center, Potsdamer Platz, Berlin, Germany

Woman walking out of subway, Berlin, Germany

Castle lit up against dusky sky

Sign of underground station, Franzoesische Strasse, Berlin, Germany