File photo taken on Jan. 25, 2017 shows a seller showing a Chema, box containing Tsamba and grain which symbolizes good harvest in a New Year, at a New Year goods market in Xigaze, southwest China's Tibet Autonomous Region. 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/Liu Dongjun)