RIZHAO, CHINA—The Miami Herald reports that three tombs have been discovered inside a partially damaged burial mound near the coast of eastern China by researchers from the Chinese Academy of Social Sciences. Each of the tombs, which have been dated to the Han Dynasty (206 B.C.–A.D. 220), has a sloping passageway to its entrance and held two burials. Two of the structures carried the surname Huan, suggesting that the structures belonged to the same family. And while two of the tombs