Oakland, CA, USA
Wuppertal, North Rhine-Westphalia, Germany
Los Angeles, CA, United States
Ulm, Baden-Wuerttemberg, Germany
Ramallah, Ramallah
Belo Horizonte, Minas Gerais, Brazil
Hannover, Lower Saxony, Germany
Berlin, Berlin, Germany
Braunschweig, Niedersachsen, Germany
Denver, CO, USA
Rogaska Slatina, Savinjska, Slovenia
Augsburg, Bayern, Germany
