Köln, NRW, Germany
Bangalore, Karnataka, India
Karlsruhe, Baden-Württemberg, Germany
New Delhi, Delhi, India
Potsdam, Brandenburg, Germany
Lodz, Lodz, Poland
Taipei, Taiwan, Province of China
Traben-Trarbach, Rheinland-Pfalz, Germany
Cologne, North Rhine-Westphalia, Germany
Koblenz, Germany
Neu-Anspach, Germany
