Madrid, Community of Madrid, Spain
Peseux, Neuchatel, Switzerland
Vila Nova de Gaia, Porto, Portugal
Cologne, NRW, Germany
Krakow, Masovian Voivodeship, Poland
Barcelona, Catalonia, Spain
Paris, Ile-de-France, France
Porto, Porto, Portugal
Palermo, Sicilia, Italy
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Brussels, Brussels, Belgium
