Kyoto, Japan
Mainz, Rhineland-Palatinate, Germany
Lauchheim, Baden-Wuerttemberg, Germany
Tokyo, Tokyo, Japan
Christchurch, Canterbury, New Zealand
Frankfurt am Main, Hessen, Germany
Saarbruecken, Saarland, Germany
Hamburg, Hamburg, Germany
Duisburg, North Rhine-Westphalia, Germany
Frankfurt, Hessen, Germany
Neuchatel, Canton of Neuchâtel, Switzerland