Mexico City, Mexico City, Mexico
Oldenburg, Lower Saxony, Germany
Düsseldorf, North Rhine-Westphalia, Germany
Oldenburg, Niedersachsen, Germany
Oldenburg (Oldenburg), Lower Saxony, Germany
Berlin, Berlin, Germany
Porto Alegre, State of Rio Grande do Sul, Brazil
Jena, Thuringia, Germany
Hamburg, Hamburg, Germany
Nijmegen, Gelderland, Netherlands
Czech Republic
Bremen, Bremen, Germany
