A monk works inside a Tibetan monks’ prayer hall at Yonghegong Lama Temple in Beijing Tuesday, Sept. 8, 2015. Chinese government on Tuesday staged a mass spectacle in front of the Potala Palace in the regional capital of Lhasa, once home to the Dalai Lama and now a museum, marking 50 years since Tibet’s establishment as an ethnic autonomous region firmly under the control of Beijing. (AP Photo/Andy Wong)