Freiburg, Baden-Württemberg, Germany
Hamburg, Hamburg, Germany
Rio de Janeiro, State of Rio de Janeiro, Brazil
Istanbul, Turkey
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Zürich, Zurich, Switzerland
Aarhus, Central Denmark Region, Denmark
Berlin, Berlin, Germany
Munich, Bavaria, Germany
Copenhagen, Capital Region of Denmark, Denmark
Vigolo Vattaro, Trentino-Alto Adige/South Tyrol, Italy
Basel, Basel-Town, Switzerland
