10.09.1966. Frankfurt, Germany. American boxer Cassius Clay (later Muhammad Ali) trains in Frankfurt before his fight with Karl Mildenberger Stock Photo - Alamy
Boxen - Unlimited Sports Center | Verein für Jugend und Sportförderung e.V. | Frankfurt am Main
Gute Laune ist das beste... - Art of Boxing - Frankfurt a. M. | Facebook
Wladimir Klitschko boxing match against Samuel Peter, Frankfurt, Germany, Stock Photo, Picture And Rights Managed Image. Pic. NGE-1038300151 | agefotostock