On July 7, the Liangzhu Museum in Hangzhou, Zhejiang province, launched an exhibit, showcasing the emergence, development and maturity of bronze civilization in the Central Plain of China during the Xia (c.21st century-16th century BC), Shang (c.16th century-11th century BC) and Zhou (c.11th century-256 BC) dynasties. Bronze ware used in rituals is on display. The exhibit will end on Oct 15.