San Francisco, CA, United States
Darmstadt, Hessen, Germany
Melbourne, Victoria, Australia
Hiroshima, Hiroshima, Japan
Bonn, North Rhine-Westphalia, Germany
Konstanz, Baden-Wuerttemberg, Germany
Chattanooga, TN, USA
Sydney, Sydney, Australia
Stockholm, Stockholm, Sweden
Beijing, Beijing Municipality, China
Copenhagen, Denmark
Akashi, Hyōgo Prefecture, Japan
