600th anniv. of founding of Sera Monastery marked in Lhasa, China's Tibet

Tibetan monks attend an event celebrating the 600th anniversary of the founding of Sera Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, Oct. 20, 2019. Built in 1419, Sera Monastery is a prestigious monastery of Tibetan Buddhism's Gelug Sect. (Xinhua/Purbu Zhaxi)