Bologna, Emilia-Romagna, Italy
Alva, Scotland, United Kingdom of Great Britain and Northern Ireland
Osnabrueck, Lower Saxony, Germany
Freiburg im Breisgau, Baden-Württemberg, Germany
Maastricht, Limburg, Netherlands
Aachen, Nordrhein-Westfalen, Germany
Vienna, Vienna, Austria
Klintehamn, Gotland, Sweden
Leipzig, Saxony, Germany
Munich, Bavaria, Germany
Dresden, Saxony, Germany
Mainz, Rhineland-Palatinate, Germany