Writer and film-maker - Xiaolu Guo

It's 25 years since the Tianamen Square Massacre in Beijing that saw hundreds killed and many more detained. One award-winning British-Chinese writer and film-maker Xiaolu Guo was a teenager at the time. Decades earlier during the Cultural Revolution her fisherman father had spent more than ten years in correctional labour camps for painting a picture that had angered the authorities. What should the role of the artist or writer be in China today?