Egham, Surrey, United Kingdom
Bonn, North Rhine-Westphalia, Germany
Aachen, North Rhine-Westphalia, Germany
Cambridge, Cambridgeshire, United Kingdom
Berlin, Berlin, Germany
Budapest, Budapest, Hungary
Las Palmas de Gran Canaria, Canary Islands, Spain
Weil am Rhein, Baden-Wuerttemberg, Germany
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
