Basel, Basel-Town, Switzerland
Portland, Oregon, United States
Siegen, North Rhine-Westphalia, Germany
Munich, Bavaria, Germany
Dresden, Saxony, Germany
London, England, United Kingdom of Great Britain and Northern Ireland
Buffalo, New York, United States
Moscow, Moscow City, Russia
Shanghai, Shanghai Municipality, China
Berlin, Germany
Malmo, Skane, Sweden
Marseille, Provence-Alpes-Cote d'Azur, France