Prisoners of a White God

Prisoners of a White God is a Czech documentary film about the Akha people, produced and distributed by Twin Star in September 2008. The documentary is about a Czech researcher, Tomáš Ryška, who goes to the Thai and Laotian mountains in order to search and document the causes of wrongdoing and violence done to the indigenous peoples and their children by Christian missionaries.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.