German director Fatih Akin is adapting the biography of German hip-hop rapper, entrepreneur and ex-convict Xatar, Alles oder Nix (2015), in his new film, Rheingold. 　　German director Fatih Akin is adapting the biography of German hip-hop rapper, entrepreneur and ex-convict Xatar, Alles oder Nix (2015), in his new film, Rheingold. 详情