Berlin, Berlin, Germany
Stuttgart, Baden-Wuerttemberg, Germany
Timisoara, Timis, Romania
München, Bavaria, Germany
Marburg, Hessen, Germany
Siegen, North Rhine-Westphalia, Germany
Strasbourg, Alsace, France
Duisburg, Nordrhein-Westfalen, Germany
Veliko Tarnovo, Tarnovo Province, Bulgaria
Helsinki, Finland
Bucharest, Bucharest, Romania
