Notes are seen inside the Dingling Mausoleum, one of the thirteen imperial tombs of the Ming Dynasty (1368-1644) in Beijing, Dec. 16, 2015. The tombs, a UNESCO World Heritage Site, scatter over an area of forty square kilometers in Changping District to the northwest of Beijing. Dingling is the only Ming tomb to have been excavated. Some Chinese tourists believe that to donate money at historical sites or cultural relics can bring luck and happiness. (Photo/IC)
