Montreal, Quebec, Canada
Liverpool, Merseyside, England
Buenos Aires, Autonomous City of Buenos Aires, Argentina
Tres Cantos, Community of Madrid, Spain
Tutzing, Bavaria, Germany
Bogotá, Bogotá, Colombia
Bonn, North Rhine-Westphalia, Germany
Nápoles, Campania, Italy
Rio de Janeiro, Rio de Janeiro, Brazil
Montréal, Québec, Canada
Mainz, Rheinland-Pfalz, Germany
