Bologna, Emilia-Romagna, Italy
Athens, Attica, Greece
Grand Rapids, Michigan, United States
Groningen, Groningen, Netherlands
Sant Cugat del Valles, Catalonia, Spain
London, England, United Kingdom of Great Britain and Northern Ireland
Oberursel (Taunus), Hessen, Germany
Atlanta, GA, USA
Cincinnati, OH, USA
Chicago, IL, USA
