Petra Niemann (born 14 August 1978) is a German former yacht racer who competed in the 2000 Summer Olympics, in the 2004 Summer Olympics, and in the 2008 Summer Olympics.
[2][3] Niemann posed nude in the German edition of Playboy in August 2008, alongside compatriots Nicole Reinhardt, Katharina Scholz and Romy Tarangul.
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