Berlin, Germany
Santiago de Compostela, Galicia, Spain
Liérganes, Cantabria, Spain
Salamanca, Spain
Potes, Asturies, Spain
Sofia, Sofia-city, Bulgaria
Madrid, Madrid, Spain
Bristol, Bristol, United Kingdom
Okinawa Prefecture, Japan
Frankfurt am Main, Hesse, Germany
Wageningen, Gelderland, Netherlands
Barcelona, Catalonia, Spain
