The Lisu are believed to have migrated northwest into Yunnan from Tibet thousands of years ago. Their history is passed on from on generation to the next through a song. The song is now so long that it can take almost a week to sing.

AFP - The Dalai Lama's choice as Tibet's second most important spiritual figure turns 18 on Wednesday after almost 13 years in Chinese custody amid signs of worsening repression there, a rights group said.