Ritual Bell, Spring and Autumn Period, Duke Wu of Qin (697–678 BC), bronze. Excavated at Taigongmiaocun, Chencang, Baoji, 1978. (© Baoji Bronze Ware Museum)

Ritual Bell, Spring and Autumn Period, Duke Wu of Qin (697–678 BC), bronze. Excavated at Taigongmiaocun, Chencang, Baoji, 1978. (© Baoji Bronze Ware Museum)