Yokohama, Kanagawa Prefecture, Japan
Goettingen, Lower Saxony, Germany
Wien, Wien, Austria
Barcelona, Catalonia, Spain
Freiburg, Baden-Württemberg, Germany
Kiel, Schleswig-Holstein, Germany
Oslo, Oslo, Norway
Berlin, Berlin, Germany
Swansea, Wales, United Kingdom of Great Britain and Northern Ireland
Brno, South Moravian Region, Czech Republic
