A living language's life

Experts are racing against time to keep alive the world's last pictographic writing form - that of the Dongba shamans of China's ethnic Naxi group. Wang Kaihao reports.

If a picture's worth a thousand words, the world's last pictographic language says volumes about the traditional Naxi culture.

But experts fear this historical portrait of the Chinese ethnicity will be erased from modern times without more international partnerships.