In this photo taken on June 8, 2013, archaeologists work at an ancient burial complex at Guxiang Township in Linying County, central China's Henan Province. Chinese archaeologists have discovered a well-reserved large burial complex dating back to the Warring States Period (475-221 BC) and the West Han (206 B.C.--25 AD.) Dynasty along the local section of the south-to-north water diversion project recently. Some 412 cultural relics have been unearthed in 119 excavated tombs. (Xinhua/Zhu Xiang)