Karlsruhe, Baden-Württemberg, Germany
Vienna, Vienna, Austria
Frankfurt, Hesse, Germany
Huesca, Aragón, Spain
Saint Petersburg, Saint Petersburg, Russia
Berlin, Berlin, Germany
Schauenburg, Hesse, Germany
Ravensburg, Baden-Württemberg, Germany
Madrid, Madrid, Spain
Mannheim, Baden-Württemberg, Germany
Morelia, Michoacan, Mexico
Minneapolis, MN, USA