22nd December 1971: Muhammad Ali trains in Zurich for his fight against the West German Jurgen Blin, with his twin daughters Jamillah and Rasheda. (Photo by Central Press/Getty Images)
22nd December 1971: Muhammad Ali trains in Zurich for his fight against the West German Jurgen Blin, with his twin daughters Jamillah and Rasheda. (Photo by Central Press/Getty Images)