Viseu, Viseu, Portugal
Rijswijk, Zuid-Holland, Netherlands
Espinho, Aveiro, Portugal
Stockholm, Stockholm, Sweden
Stoke-on-Trent, England, United Kingdom of Great Britain and Northern Ireland
Hong Kong, Hong Kong
Porto, Porto, Portugal
Embrun, Provence-Alpes-Côte d'Azur, France
Frankfurt, Hesse, Germany
Lucerne, Lucerne, Switzerland
Warsaw, Mazovia, Poland