People visit the Mogao Grottoes, home to a huge collection of Buddhist artworks, in Dunhuang, northwest China's Gansu Province, May 3, 2017. Buddhists worshiped at the Mogao Grottoes to mark the birthday of Buddha Sakyamuni, the founder of Buddhism, which falls on May 3 this year, according to traditional Chinese Lunar Calendar. (Xinhua/Chen Bin)
