Freiburg, Baden-Württemberg, Germany
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Barcelona, Catalonia, Spain
Germany
Santa Barbara, CA, United States
Leipzig, Saxony, Germany
Celje, Celje, Slovenia
Roma, Lazio, Italy
Berlin, Berlin, Germany
Köln, Nordrhein-Westfalen, Germany
Halle (Saale), Saxony Anhalt, Germany