Leipzig, Saxony, Germany
Konstanz, Baden-Württemberg, Germany
Freiburg im Breisgau, Baden-Württemberg, Germany
Berlin, Berlin, Germany
Ferrara, Emilia-Romagna, Italy
Yaoundé, Cameroon
Cologne, North Rhine-Westphalia, Germany
Iden, Saxony Anhalt, Germany
Leiria, Leiria, Portugal