Hamburg, Hamburg, Germany
Budapest, Budapest, Hungary
Cambridge, England, United Kingdom
Hannover, Niedersachsen, Germany
Matosinhos, Porto District, Portugal
Maastricht, Limburg, Netherlands
Nienburg/Weser, Lower Saxony, Germany
Bremen, Bremen, Germany
Valencia, Comunidad Valenciana, Spain
Bucharest, Bucharest, Romania
Haren (Ems), Niedersachsen, Germany