Cologne, North Rhine-Westphalia, Germany
Cesena, Emilia-Romagna, Italy
Köln, Nordrhein-Westfalen, Germany
Panossas, Auvergne-Rhône-Alpes, France
Groningen, Groningen, Netherlands
Dinslaken, North Rhine-Westphalia, Germany
Essen, North Rhine-Westphalia, Germany
Muenster, North Rhine-Westphalia, Germany
Berlin, Berlin, Germany