Police drive her quickly to her home to avoid public celebrations of her release.
He must regularly report to authorities and ask permission to travel away from home.
They had written commentaries on deadly protests in 2008 which had angered the Chinese authorities.
He had led a mission to keep order among rival harvesting groups.
Excavations have begun to threaten sacred sites, villagers say.
They also free a monk after he had served three years for opposing Chinese rule.
Villagers had demonstrated against a Chinese gold mining project.
He had served two consecutive terms for activities opposing Chinese rule.
Chinese authorities ban employees' participation in the ancient Buddhist ceremony.
Security forces fill a town in Gansu as thousands of Tibetans gather.
China has deliberately misrepresented the policy's proposals, exile leader says.
His film on Beijing's harsh rule in Tibetan areas had infuriated Chinese authorities.
Senior monks are also urged to 'obey the law' and 'strike back at separatism.'