Halle (Saale), Saxony Anhalt, Germany
Düsseldorf, North Rhine-Westphalia, Germany
Regensburg , Saxony, Germany
Potsdam, Brandenburg, Germany
Warsaw, Masovian Voivodeship, Poland
Sydney, New South Wales, Australia
Halle (Saale), Sachsen-Anhalt, Germany
Patra, Greece
Berlin, Berlin, Germany
Alpochori, Decentralized Administration of Peloponnese, Western Greece and the Ionian, Greece
