Archeologists shake up historyNEW EVIDENCE: Artifacts found at a building site and the subsequent discovery of a lost civilization have forced historians to rethink Chinese history as a wholeAFP , JINSHA, CHINA Wednesday, Jul 13, 2005,Page 4 A worker stands on a stack of bags of cement before a huge billboard featuring the famous ''bronze human head figure with gold mask,'' one of the treasures of the Sanxingdui Museum in Guanghan, Sichuan Province in this photo from May. Recent archeological finds from previously unknown civilizations such as the Sanxingdui and the Jinsha are dealing shattering blows to traditional views of...