Köln, Nordrhein-Westfalen, Germany
Mashhad, Razavi Khorasan Province, Iran, Islamic Republic Of
Tehran, Tehran Province, Iran (Islamic Republic of)
Geesthacht, Schleswig-Holstein, Germany
Dublin, Ireland
Stuttgart, Baden-Württemberg, Germany
Koblenz, Rheinland-Pfalz, Germany
Washington, DC, USA
Beijing, Beijing Municipality, China
