Berlin, Berlin, Germany
Cologne, North Rhine-Westphalia, Germany
Hamburg, Hamburg, Germany
Aachen, North Rhine-Westphalia, Germany
Prague, Prague, Czech Republic
Köln, North Rhine-Westphalia, Germany
Trondheim, Sor-Trondelag, Norway
München, Bayern, Germany
Bielefeld, Nordrhein-Westfalen, Germany
Rheinbach, Nordrhein-Westfalen, Germany