Aachen, North Rhine-Westphalia, Germany
Frankfurt am Main, Hessen, Germany
Freiburg, Baden-Württemberg, Germany
Sydney, New South Wales, Australia
Seattle, WA, USA
Istanbul, Istanbul, Turkey
Tirana, Tirana, Albania
Sofia, Sofia, Bulgaria
Ottawa, On, Canada
Salzburg, Salzburg, Austria
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
