Photo taken on March 17, 2014 shows an archaeologist working at a tomb in Jiaozuo City.
A worker shows bronze wares unearthed at a tomb in Jiaozuo City
Photo taken on Dec, 14, 2007 shows archaeologists working at tombs found in Xingyang City.
Photo taken on June 8, 2013 shows the scene of a tomb among a tomb complex found in Luohe City.
Photo taken on July 2, 2009 shows archaeologists working at a site among ancient tombs found in Anyang City.
A worker shows an ancient Chinese chime unearthed at a tomb in Anyang City.
Photo taken on July 7, 2010 shows an archaeologist working at a brick tomb in Shengwan tonwship of Xichuan County.
