Major European cities including Tirana (Albania); Ghent, Leuven and Mechelen (Belgium); Prague (Czechia); Copenhagen, Høje-Taastrup and Roskilde (Denmark); Helsinki, Lappeenranta, Oulu, Tampere and Turku (Finland); Grenoble (France); Freiburg im Breisgau (Germany); Budapest (Hungary); Florence and Prato (Italy); Wiltz (Luxembourg); Guimarães (Portugal); Bergen and Oslo (Norway); Ljubljana and Maribor (Slovenia); Seville (Spa...