Konstanz, Baden-Wuerttemberg, Germany
Tuebingen, Baden-Wuerttemberg, Germany
Tbilisi, Tbilisi, Georgia
Wien, Austria
Stuttgart, Baden-Wuerttemberg, Germany
Dublin, Dublin, Ireland (Republic of)
Clermont-Ferrand, Auvergne, France
Leinfelden-Echterdingen, Baden-Wuerttemberg, Germany
Berlin, Berlin, Germany
Rotterdam, South Holland, Netherlands