Senluo (2012)

The story follows three strangers lost in the mysterious forest going through challenges to survive the wilderness, during which they experience love, friendship, fear, and betrayal. But eventually they manage to work together and find an ancient tribe that raise reindeer and worship nature gods. Slowly their soul crushed by city pressure starts to heal... This film was shot in Auluguya, north boarder of China where the Ewenki people lived. They are the last hunting tribe raise reindeer in the mountain with less than 50 population. They believe in shaman and nature gods but their culture is dying, which is why this film was made in first place.