Photo taken on July 2, 2009 shows archaeologists working at a site among ancient tombs found in Anyang City, central China's Henan Province. China's central province Henan, an important location of the Shang and Zhou Dynasty in ancient China, has a lot of historical relics, which need to be unearthed, protected and relocated from the middle route of the south-to-north water diversion project started since 2003. (Xinhua/Zhu Xiang)