Amsterdam, Noord-Holland, Netherlands
Clichy, Ile-de-France, France
Ravensburg, Baden-Wuerttemberg, Germany
Ribeirao Pires, Sao Paulo, Brazil
Timisoara, Timis, Romania
Hanoi, Hanoi City, Vietnam
London, United Kingdom
Konstanz, Baden-Wuerttemberg, Germany
Seoul, Seoul, Korea (Republic of)
Melbourne, Victoria, Australia
Cologne, North Rhine-Westphalia, Germany
Stuttgart, Baden-Württemberg, Germany
