Maintal, Hesse, Germany
Heidelberg, Baden-Wuerttemberg, Germany
Okayama, Okayama, Japan
Leipzig, Saxony, Germany
Tokushima, Tokushima Prefecture, Japan
Lüneburg, Niedersachsen, Germany
Austin, TX, United States
Frankfurt am Main, Hessen, Germany
Moscow, Russian Federation
Heidelberg, Baden-Württemberg, Germany
Minato, Tokyo, Japan
Kuwana, Mie, Japan