Hundreds of families are moved from traditional grazing lands now worked by Chinese mines.
Dhondup Wangchen arrives safely in San Francisco after escaping a restricted life in Tibet.
Already in poor health before his arrest, he was tortured and has been made to perform hard labor in prison.
His father has been detained in Barkham county, where authorities complain of expenses incurred by protester's stay in hospital.
Unidentified victim near Kirti Monastery represents 152nd self-immolation case inside Tibet since 2009.
He had taken part in protests for Tibetan freedom and suffered beatings and torture before being released in bad health.
The move further tightens Chinese authorities' restrictions at the once-sprawling Tibetan Buddhist study center.
Large crowds gather under the watch of Chinese police to commemorate the death anniversary of a major religious Buddhist teacher.
Many lose large sums, selling livestock and borrowing from friends to support their habit.
His protest brings to 151 the number of self-immolations by Tibetans living in Tibetan areas of China since 2009.
Lobsang Jinpa had been charged with writing the lyrics to a song honoring a former Tibetan religious leader.
Officials reverse an earlier order allowing the gathering to go ahead, citing concerns over crowds.
Detentions come amid heightened security and sureveillance during ruling Communist Party congress in Beijing.
Chinese authorities have destroyed more than 4,700 homes and forced about 4,800 residents to leave the complex.
Local residents are also warned not to discuss politics or share news or photos with outside contacts.
Chinese officials force the move, citing concerns for the environment, a local source says.
But Chinese travelers and trade goods cross without delays, a local source says.