Artifacts used by the upper class in ancient China are on display at an exhibition in Xuyi county, East China's Jiangsu Province, Feb 2, 2016. The county is known for finding a 2,100-year-old mausoleum built for a king named Liu Fei. Archaeologists found that the mausoleum contained artifacts, including treasures made of gold, silver, bronze, jade and lacquer. [Photo/Xinhua]