Photo special: Liu Yunshan

In this file photo taken on April 7, 2007, Liu Yunshan (R, front) learns about villagers' involvement in the artistic painting industry as he visits the studio of Wang Jianmin, a village painter who excels in drawing tigers, during an investigation and research tour in Wanggongzhuang village of Minquan county, Central China's Henan province.[Photo/Xinhua]