Mainz, Rhineland-Palatinate, Germany
Berlin, Berlin, Germany
Koblenz, Rhineland-Palatinate, Germany
Mannheim, Baden-Württemberg, Germany
Cologne, North Rhine-Westphalia, Germany
Rotterdam, Netherlands
Koblenz, Germany
Dublin, County Dublin, Ireland
Frankfurt am Main, Hessen, Germany
Bremen, Bremen, Germany
Leipzig, Saxony, Germany