"Yi Hou Ze" Bronze Gui (food container), Western Zhou Dynasty (c. 11th century-771 BC), King Kang's reign, unearthed at Yandunshan, Dantu, Jiangsu Province, 1954. It is exhibited in the section of Exhibition on life, production in Xia, Shang and Western Zhou dynasties, an exhibition of Ancient China in the National Museum of China. [Photo by Xu Lin / China.org.cn]