Photo taken on Oct. 20, 2013 shows the interior of the expanded main hall of Nanjing Museum, in Nanjing, capital of east China's Jiangsu Province. The expansion project of Nanjing Museum is about to finish and the new museum will open to public on Nov. 6. After expansion, the museum will hold six theme halls and display about 50,000 exhibits. (Xinhua/Dong Jinlin)