Aachen, Nordrhein-Westfalen, Germany
Porto Alegre, Rio Grande do Sul, Brazil
San Ġiljan, Malta
Philadelphia, PA, USA
Cologne, North Rhine-Westphalia, Germany
The Hague, Zuid-Holland, Netherlands
Riga, Riga, Latvia
Cambridge, Cambridgeshire, England
Bremen, Bremen, Germany
Santa Cruz, CA, USA
Berlin, Berlin, Germany
