This movie is also called Dust of life in English and was made by Alex Bouchareb in 1994.　　In 1975, 3 kids decide to escape a reeducation camp in the Vietnamese equatorial forest near Cambodia where the Amerasians are imprisoned, tortured both mentally and physically. Son, the hero is sent in that camp after her mother fails to find his father to send him away to America.　　Search the web for the title to find more information. You can find the poster of the movie on cineposters dot com.　　Kind of reminds me of Papillon or the Killing Fields though maybe a notch down in terms of realization... This movie is based on facts from the after war.“不要什么事情都麻烦杨间，他很忙的，我们可以离开，放心，不会有事的，我手中的这根蜡烛还有很多，至少燃烧半个小时没有问题，我们有足够的时间离开这里。”