Baimadajie Angwang had spied for Beijing since 2014, informing the Chinese Consulate in New York of the activities of the exile Tibetan community in the New York area.
Nomad families in Qinghai's Themchen county must leave their ancestral lands by the end of 2020, Chinese officials say.
He promises to sanction Chinese leaders for rights violations and to meet with exiled Tibetan spiritual leader the Dalai Lama, whom Trump has not yet met.
China and India accuse each other of provocations in Ladakh, without providing details.
'For Tibetans, Buddhism is more important than Communism,' Tibet's exile political leader Sikyong Lobsang Sangay says.
Swiss migration officials say however that no one fleeing persecution will be sent home.
The billboards will be seen by millions of people during the two weeks they remain in place, the advocacy group Free Tibet says.
The app owned by Chinese social media company TikTok removed content considered politically sensitive by Beijing.
Community leader Bu Dokyab had told local Tibetans that surrendering land deeds would destroy their livelihood and end any chance of passing their land to future generations.
Large numbers of Chinese tourists and workers meanwhile enter Lhasa without restrictions, sources say.
Dolkar was tortured while serving 15 months in prison for spreading news of a protest by her nephew.
Studios write Tibet out of their scripts, helping Beijing advance its propaganda goals to world audiences.
Xingqing hid mining activities after receiving tipoffs prior to inspections.
Beijing's continuing restrictions on foreign travel to Tibet violate the principle of reciprocity, a Tibetan advocacy group says.
The religious leader appointed by Beijing in place of a candidate chosen by the Dalai Lama is mostly ignored by Tibetans.
The festival had earlier been banned after a protest calling for the return of the Dalai Lama to Tibet.
Ama Adhe served 27 years in Chinese prisons for supporting the armed resistance to China's invasion of Tibet.
Defendants are often tried in secret, and confessions obtained under torture are used against them in court.