Leipzig, Saxony, Germany
Kirf, Rhineland-Palatinate, Germany
Köln, Nordrhein-Westfalen, Germany
Alajuela Province, Costa Rica
Frankfurt am Main, Hessen, Germany
Kaiserslautern, RLP, Germany
Cologne, North Rhine-Westphalia, Germany
Houston, TX, USA
Karlsruhe, Baden-Württemberg, Germany
Delft, Zuid-Holland, Netherlands
Etterbeek, Brussels-Capital, Belgium