File photo of artifacts unearthed from the Haihunhou cemetery in Nanchang, East China’s Jiangxi Province. The cemetery, dating back to the Western Han Dynasty (206 B.C.- 25 A.D.), covers some 40,000 square meters with eight tombs and a chariot burial site. Artifacts including gold items and a seal have confirmed that the main tomb of Haihunhou is that of Liu He, the grandson of Emperor Wu, the greatest ruler of the Han Dynasty, one of the most prosperous periods in China's history. (Photo/CCTV Weibo)
