Maintaining identity in indigenous people documentaries

The last of the indigenous peoples of the world are fighting a battle to keep their uniqueness in the face of conformity. The particular ways no longer have attraction to the young, and in many cases, old traditions have died out. Typical is the Nivkh of Sakhalin Island. With no written script and a dwindling population, the language was almost lost until one chief began to write things down. In America, the Oglala Lakota fought wars to try and save their culture, and many of their ancient traditions are relived at the annual powwow.