File photo taken on Dec. 24, 2005 shows a woman of Miao ethnic group painting to greet the Spring Festival at Tonggu Village in southwest China's Guizhou Province. As a country with 56 ethnic groups, China unfolds its charm of diversification during the Spring Festival. Spring Festival, or better known as Chinese Lunar New Year, is the most important festival for all Chinese, which has a history of more than 4,000 years. It is an occasion for home returning, New Year goods preparing, celebrating, and foremost, family reunion. (Xinhua/Qiao Qiming)