Students perform during an event to celebrate the 70th anniversary of the founding of the People`s Republic of China at Tibet University in Lhasa, capital of southwest China`s Tibet Autonomous Region, Sept. 12, 2019. (Xinhua/Jigme Dorje)

Students perform during an event to celebrate the 70th anniversary of the founding of the People`s Republic of China at Tibet University in Lhasa, capital of southwest China`s Tibet Autonomous Region, Sept. 12, 2019. (Xinhua/Jigme Dorje)

Students perform during an event to celebrate the 70th anniversary of the founding of the People`s Republic of China at Tibet University in Lhasa, capital of southwest China`s Tibet Autonomous Region, Sept. 12, 2019. (Xinhua/Sun Fei)