Tours, Centre, France
Barakaldo, Basque Country, Spain
Lisbon, Lisbon, Portugal
Boston, MA, USA
Frankfurt an der Oder, Brandenburg, Germany
Palo Alto, CA, USA
Leipzig, Saxony, Germany
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Wilmington, North Carolina, United States
Freiburg, Baden-Wuerttemberg, Germany