File photo taken on Feb. 13, 2016 shows women of Miao ethnic group attending a festival gathering to sing Miao songs at Ma'an Village of Congjiang County, Qiandongnan Miao and Dong Autonomous Prefecture, 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/Zhang Qi)