A huge Thangka Buddha portrait is exhibited at Drepung Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, Sept. 1, 2016. Buddhists and believers thronged Lhasa for the start of the traditional Shoton Festival on Thursday. The Shoton Festival, also known as the Yogurt Banquet Festival, is a week-long gala held since the 11th century. [Photo/Xinhua]