A train runs along the railway surrounded by snow-covered land in north China's Inner Mongolia Autonomous Region, December 19, 2009. A cold snap coming from Siberia swept easter part of Inner Mongolia on Friday and Saturday. The cold snap brought sharp drop of temperatures in the autonomous region where the lowest temperatures fell to about minus 30 degrees Celsius. [Xinhua]

People walk in a snow-covered street in Yakeshi, north China's Inner Mongolia Autonomous Region, December 19, 2009. A cold snap coming from Siberia swept easter part of Inner Mongolia on Friday and Saturday. The cold snap brought sharp drop of temperatures in the autonomous region where the lowest temperatures fell to about minus 30 degrees Celsius. [Xinhua]