Archaeologists clean the main coffin in the Haihunhou (Marquis of Haihun) cemetery, east China's Jiangxi Province, Dec. 20, 2015. The outer lid of the main coffin in the Haihunhou cemetery was opened on Sunday. According to archaeologists working at the site, relics inside the main coffin in the 2,000-year-old tomb of Haihunhou will likely reveal the occupant's identity. The Haihunhou cemetery near Nanchang City, capital of east China's Jiangxi Province, is the most complete known Western Han Dynasty (206 BC - 24 AD) cemetery. [Photo/Xinhua]