Rostock, Mecklenburg-Vorpommern, Germany
Duesseldorf, North Rhine-Westphalia, Germany
Dormagen, North Rhine-Westphalia, Germany
Hamburg, Hamburg, Germany
Berlin, Berlin, Germany
Freiberg, Saxony, Germany
Bristol, England, United Kingdom of Great Britain and Northern Ireland
Blaubeuren, Baden-Württemberg, Germany
Bergen auf Ruegen, Mecklenburg-Vorpommern, Germany
Köln, Nordrhein-Westfalen, Germany
Osaka city, Osaka, Japan