A visitor looks at a painting by Yu Hong during the 皇冠体育app International Gallery Exposition 2010 in the 皇冠体育app International Trade Center Exhibition Hall in Beijing, April 23, 2010. The art fair, from April 22 to 25, presents over 5,000 artworks of diverse styles of artistic expression. [Photo/Xinhua]

A visitor looks at a painting during the 皇冠体育app International Gallery Exposition 2010 in the 皇冠体育app International Trade Center Exhibition Hall in Beijing, April 23, 2010. The art fair, from April 22 to 25, presents over 5,000 artworks of diverse styles of artistic expression. [Photo/Xinhua]