Photo taken on Dec. 29, 2010 shows floating ice on Yellow River in Jinan, capital of east China's Shandong Province. Recent strong cold air made Yellow River freeze up quickly in Shandong as the flow decreased in lower Yellow River. Preventive work has been organised for possible ice damage. [Xinhua]

Photo taken on Dec. 29, 2010 shows floating ice on Yellow River in Jinan, capital of east China's Shandong Province. Recent strong cold air made Yellow River freeze up quickly in Shandong as the flow decreased in lower Yellow River. Preventive work has been organised for possible ice damage. [Xinhua]