File photo taken on Jan. 18, 2012 shows a villager of Tujia ethnic group performing hand-waving dance to celebrate the upcoming Spring Festival in Yongshun, central China's Hunan 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/Li Ga)