A working staff from the Sotheby's presents an artwork by Jiang Zhaohe valued at 1.2 million to 1.8 million Hong Kong dollars (about 154,280 to 232,020 U.S. dollars) in Hong Kong, south China, March 13, 2013. Sotheby's 2013 spring sales of fine Chinese paintings will be held on April 5 in Hong Kong. Over 300 pieces of artworks with a total value of more than 130 million Hong Kong dollars (about 16.6 million U.S. dollars) will be on display. [Photo:Xinhua/Chen Xiaowei]