Cologne, North Rhine-Westphalia, Germany
Kempten (Allgäu), Bayern, Germany
Osnabrueck, Lower Saxony, Germany
Hangzhou Shi, Zhejiang Sheng, China
Wien, Wien, Austria
Frankfurt am Main, Hessen, Germany
Osnabrück, Lower Saxony, Germany
Graz, Styria, Austria
Köln, Germany
Lublin, Lublin Voivodeship, Poland
Los Angeles, CA, USA