Oslo, Oslo, Norway
Казанлък, Стара Загора, Bulgaria
Benicàssim, Comunidad Valenciana, Spain
Istanbul, Istanbul, Turkey
Prague, Prague, Czechia
Gevgelija, Macedonia, Macedonia (the former Yugoslav Republic of)
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
Collonges-sous-Salève, Auvergne-Rhône-Alpes, France
Gothenburg, Vastra Gotaland, Sweden
Bucharest, Romania
Sofia, Sofia-city, Bulgaria
Ciudad de México, Ciudad de México, Mexico
