Oldenburg (Oldenburg), Lower Saxony, Germany
Bochum, North Rhine-Westphalia, Germany
Singapore, Singapore
Bursa, Bursa, Turkey
Melaka, Melaka, Malaysia
London, England, United Kingdom of Great Britain and Northern Ireland
Madrid, Community of Madrid, Spain
Hamburg, Hamburg, Germany
Leutkirch im Allgaeu, Baden-Wuerttemberg, Germany
Friedrichshafen, Baden-Württemberg, Germany
Friedrichshafen, Baden-Wuerttemberg, Germany
Dortmund, North Rhine-Westphalia, Germany