Her famed documentary '' Dear Pyongyang '' picked up the Jury Special award at the World Cinema section for documentaries at the 2006 Sundance Film Festival , and the NETPAC Award at the 56th Berlin International Film Festival . She based it on her dual identity and the difficult relationship with her father . Yang 's father was an influential member of the GAKR ( General Association of Korean Residents in Japan , or " Chongryon " ) -- a controversial organization in Tokyo that ostensibly helps North Koreans in Japan with travel or legal problems , or acts as a pipeline between North Korea and their families in the archipelago . She and her father had passionate political arguments over the years
56th Berlin International Film Festival
56th Berlin International Film Festival
Yang Yong-hi