What are the decorative patterns of bronze mirrors in the Spring and Autumn Period and the Warring States Period?

Bronze mirrors in the Spring and Autumn Period and the Warring States Period had the earliest characters, forming a dominant situation. Some of them are decorated with Yun Leiwen and feather-like fine lines under the main pattern, which forms a decorative technique that sets off the ground pattern and the main pattern, giving people a refreshing feeling. The decorative patterns in this period mainly include geometric patterns (Yun Leiwen, string pattern, triangle thunder pattern, Chinese character pattern and diamond pattern). ), animal pattern (gluttonous pattern, animal pattern, Feng Niaowen, clam pattern, feather pattern, etc. ), plant patterns (petal patterns, flower patterns, leaf patterns, etc. ) and figures (hunting patterns, etc. ).