Artworks are on display during a media preview in Hong Kong, south China, on May 26, 2011. Christie's Hong Kong Spring Auctions 2011 will be held between May 27 and June 1, featuring over 2,700 Chinese ceramics, Chinese classical paintings and calligraphy, watches and wines, with a total estimated price of about 2.4 billion HK dollars.

A superbly carved large pair of reticulated full-tip rhinoceros horn carvings are on display during a media preview in Hong Kong, south China, on May 26,2011.

A visitor looks at a painting by Chinese artist Zhang Daqian during a media preview in Hong Kong, south China, on May 26, 2011.

A magnificent imperial Kesi-Embellis and polychrome-lacquered hardwood ten-fold screen is on display during a media preview in Hong Kong, south China, on May 26, 2011.

A Chinese painting Confucian Forest by Chinese painter Wu Guanzhong is on display during a media preview in Hong Kong, south China, on May 26, 2011. 

An imperial stem cup of Ming Dynasty (1368-1644) is on display during a media preview in south China's Hong Kong on May 26, 2011.