Photo taken on April 7, 2014 shows a bowl from the Kangxi period (1654-1722) of the Qing Dynasty, estimated to fetch between 12 million to 18 million Hong Kong dollars (1.55 million to 2.32 million US dollars), during the preview of Christie's Hong Kong 2014 spring season in Hong Kong, south China. The auction will be held from May 24 to 28. (Xinhua/Li Peng)