San Diego, CA, USA
Heidelberg, Baden-Wuerttemberg, Germany
Copenhagen, Capital Region of Denmark, Denmark
Muellheim, Baden-Wuerttemberg, Germany
New Taipei, New Taipei City, Taiwan, Province of China
London, England, United Kingdom of Great Britain and Northern Ireland
Sigtuna, Stockholms län, Sweden
Bornholm, Capital Region of Denmark, Denmark
Freiburg im Breisgau, Baden-Württemberg, Germany
Tampere, Pirkanmaa, Finland
Basel, Basel-Stadt, Switzerland
Witten, North Rhine-Westphalia, Germany
