DATONG follows the life and work of a controversial Chinese Communist Mayor GENG YANBO to tell the story about how he takes a radical reform to demolish 140,000 households and relocate half a million people to give way to restoration of Ancient relic walls in order to adopt a clean economic growth from tourism and culture, which he believes will do good to DA TONG citizen in the long term. With two years in the footsteps of GENG, along with the changing ideology and confrontations from the public, the film is trying to draw a looming shape of future of China.

《书记》（英语：The Transition Period），是中国大陆导演周浩的一部纪录片，记述了中国河南省固始县委书记郭永昌在离任前3个月内发生的故事[1]。该片于2009年获得华语纪录片节最佳纪录片奖