Jade Pendant, Western Zhou Dynasty (c. 11th century-771 BC), unearthed from tomb 92 at burial ground of Jin Hou, Quwo, Shanxi Province, 1994. 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]