A snow-clad man is seen driving a motorcycle on the street of Yantai City, eastern China's Shandong Province, on Sunday, December 21, 2008. The city has issued warnings of snowstorms, low temperature and road freezing. China's state observatory on Saturday issued a warning against a cold front from the Baikal Lake. Strong gusts would cause sharp temperature falls in the north, the National Meteorological Center said. [Xinhua]