Monks chant sutra during an event to display a gigantic Thangka (Tibetan religious painting) at Wudangzhao Monastery in Baotou, North China's Inner Mongolian autonomous region, Sept 13, 2015. Wudangzhao Monastery, the largest Tibetan Buddhism temple in Inner Mongolia region, has a tradition to display its gigantic Thangka on the first day of August in the lunar calendar. The gigantic Thangka is 20 meters high and 16.8 meters wide. [Photo/Xinhua]