What are the characteristics of the decorative patterns of bronze mirrors in Han Dynasty in China?

Han mirror ornamentation has a wide range of contents, including real-life songs and dances of men and women, knights, Dong, Queen Mother of the West, immortals, feathers and so on. Animal themes include the four gods (dragon, white tiger, suzaku and Xuanwu), the four spirits (dragon, phoenix, forest and turtle) and the Chinese zodiac. The plant pattern is mainly persimmon stalk pattern, which consists of four heart-shaped or cloud-shaped leaves and is mainly decorated in Niuqu. Geometric patterns are arc, sawtooth, cirrus, rope and so on. , mainly decorated in the outer area and edge.