A girl picks comic books at a market along the Beijing-Hangzhou Grand Canal in Hangzhou, capital of east China's Zhejiang Province, April 22, 2012. More than 100 kinds of classic comic books created from 1950 to 1980 were displayed at the market here on Sunday to greet the 2012 World Book and Copyright Day, which falls on April 23. [Xinhua]

A woman and her child pick comic books at a market along the Beijing-Hangzhou Grand Canal in Hangzhou, capital of east China's Zhejiang Province, April 22, 2012. More than 100 kinds of classic comic books created from 1950 to 1980 were displayed at the market here on Sunday to greet the 2012 World Book and Copyright Day, which falls on April 23. [Xinhua]

Children pick comic books at a market along the Beijing-Hangzhou Grand Canal in Hangzhou, capital of east China's Zhejiang Province, April 22, 2012. More than 100 kinds of classic comic books created from 1950 to 1980 were displayed at the market here on Sunday to greet the 2012 World Book and Copyright Day, which falls on April 23. [Xinhua]

A woman and her child read comic books at a market along the Beijing-Hangzhou Grand Canal in Hangzhou, capital of east China's Zhejiang Province, April 22, 2012. More than 100 kinds of classic comic books created from 1950 to 1980 were displayed at the market here on Sunday to greet the 2012 World Book and Copyright Day, which falls on April 23. [Xinhua]