A visitor look at Standing Horse, an ink painting of Chinese painter Xu Beihong, at a preview of China Guardian Hong Kong 2016 Spring Auction, Hong Kong, south China, May 27, 2016. The auction will start from May 29 to 31 in Hong Kong with over 1,200 pieces of auctions including Chinese paintings, calligraphy, ceramics and so on. (Xinhua/Li Peng)
