Budapest, Budapest, Hungary
Giessen, Hesse, Germany
Can Tho, Can Tho City, Viet Nam
Darmstadt, Hessen, Germany
Karlsruhe, Baden-Württemberg, Germany
Hamburg, Hamburg, Germany
Düsseldorf, Nordrhein-Westfalen, Germany
Bratislava, Bratislava, Slovakia
Vietnam
Incheon, Incheon, Korea (Republic of)
