Detail, head of the dragon amid cloud forms; The number nine is special in China as it is the largest possible single digit, and Chinese dragons are frequently connected with it. The dragon, specifically yellow or golden dragons with five claws on each foot, was a symbol for the emperor in many Chinese dynasties. The Nine Dragon Screen at Datong was built in 1392. Intended to avert evil spirits, it originally stood in front of the palace of the viceroy of Shanxi Province, the 13th son of the Hongwu emperor (reigned 1368-1398); the palace burnt down in the mid-17th century. The screen is covered with glazed ceramic tiles in five colors. Just above the base are small figures of lions, tigers, elephants, qilin (mythical unicorn-like animals) a...