Köln, Nordrhein-Westfalen, Germany
Tehran, Tehran Province, Iran (Islamic Republic of)
Frankfurt am Main, Hessen, Germany
Munich, Bavaria, Germany
Barcelona, Catalonia, Spain
East Lansing, MI, USA
köln, North Rhine-Westphalia, Germany
Bremen, Bremen, Germany
Mashhad, Razavi Khorasan Province, Iran (Islamic Republic of)