A citizen plays with a sledge on ice on the Beita Lake in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Dec. 18, 2012. (Xinhua/Peng Zhaozhi)
A mother and her daughter ride an ice bike on ice on the Beita Lake in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Dec. 18, 2012. (Xinhua/Peng Zhaozhi)
A citizen spins a top on ice on the Beita Lake in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Dec. 18, 2012. (Xinhua/Peng Zhaozhi)
Citizens enjoy themselves on ice on the Beita Lake in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Dec. 18, 2012. (Xinhua/Peng Zhaozhi)
