Photo taken on Dec. 29, 2013 shows a bronze weapon at an exhibition showcasing bronze ware unearthed by archaeological digs last year, in the Baoji Bronze Ware Museum in Baoji, northwest China's Shaanxi province. The artifacts exhibited here were retrieved from three tombs from the West Zhou Dynasty (1046 BC - 771 BC) in Shigushan Mountain of Baoji City. [Xinhua/Feng Guo]