Aachen, Nordrhein-Westfalen, Germany
Moscow, Moscow City, Russia
Cologne, North Rhine-Westphalia, Germany
Osh, Osh Region, Kyrgyzstan
Erlangen, Bavaria, Germany
Heilbronn, Baden-Württemberg, Germany
Schwerin, Mecklenburg-Vorpommern, Germany
Lisboa, Lisboa, Portugal
Argentina, Argentina
Hamburg, Hamburg, Germany
Burnaby, British Columbia, Canada