Lamas of the Labrang Monastery unroll the huge thangka scroll painting bearing the image of the Buddha covered by a large yellow curtain during the annual "sunning of the Buddha" ceremony of Labrang Monastery in Xiahe County, northwest China's Gansu Province, Feb. 17, 2019. The annual "sunning of the Buddha" is one of the most important ceremonies at Labrang in Xiahe County, which is regarded as a top Tibetan Buddhism educational institution in China. (Xinhua/Chen Bin)