Księgienice, Lower Silesia, Poland
Baden-Württemberg, Germany
Vienna, VIenna, Austria
Lyon, Auvergne-Rhône-Alpes, France
Burnaby, British Columbia, Canada
Berlin, Berlin, Germany
Goettingen, Lower Saxony, Germany
Leipzig, Saxony, Germany
Antwerp, Antwerp, Belgium
Witten, North Rhine-Westphalia, Germany