Rights groups see political motive behind sentences handed down to Tibetan monks.
A Chinese court says the defendant conspired to ensure a fellow Tibetan monk would die after self-immolating.
But 'meaningful change' may be slow in coming.
Chinese authorities seize land in Tibetan areas for government and commercial development.
Detentions reflect growing Chinese influence in Nepal.
One monk is severely beaten amid a military lockdown.
In a self-immolation protest, he calls for freedom for Tibet and the Dalai Lama's return.
Their health conditions are described as 'bad.'
One supporter expresses the hope that Tibetans inside Tibet and those living in exile will be reunited.
He says the struggle to free from Chinese 'colonialism' will be 'stronger.'
Local people fear harm to sacred sites.
The action comes as China tightens the screws on the Himalayan state.
Religious statues, paintings represent the richness of Tibetan Buddhism.
Water pollution problems worsen at a Tibetan monastery in China due to alleged corruption.