Edge of the Empire (film)

Edge of the Empire is a 2010 Thai historical film directed by Nirattisai Kaljareuk. Set in southern Mongolia over 1,000 years ago, the story relates the history of the small tribe called Tai, at the time a colony ruled by the Great Han. This film shows how the Tai people, oppressed by their Han overlords, unite to fight for their freedom.

Source: Wikipedia