Hannover, Lower Saxony, Germany
New Territories East, Hong Kong Special Administrative Region, China
Greifswald, Mecklenburg-Vorpommern, Germany
Berlin, Berlin, Germany
Bern, Bern, Switzerland
London, London, England
Roma, Lazio, Italy
Köln, Nordrhein-Westfalen, Germany
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Lisbon, Portugal
Seoul, Seoul, South Korea
Zürich, Zurich, Switzerland
