Students wearing traditional costumes from Han Dynasty (202 BC-220 AD) have class at a private school in Changsha, capital of Central China's Hunan province, Dec 7, 2013. A group of children under the age of 12 learn courses of Chinese traditional culture during weekends at a newly-opened private school in Changsha. [Photo/Xinhua]

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Winter swimming enthusiast Wu Shiping, 55, takes a dip in Shichahai Lake in Beijing, Dec 2. Temperatures in the capital so far this winter have been higher than they were last year. [Photo by Zou Hong / China Daily]