A freezer used during the reign of Emperor Qianlong (1711-1799) goes on display in Changsha, Hunan province, on Aug 9. [Photo by Deng Xia/Chinanews.com]

Chopsticks, a knife, and a sheath are on display at the exhibition in Changsha, Hunan province, on Aug 9. [Photo by Deng Xia/Chinanews.com]