A man wraps his child in blanket to keep warm on the street of Luoyang, central China's Henan Province, Dec. 6, 2010. Many places in China witnessed strong wind and significant temperature drop due to cold wave. [Xinhua]

A sweet potato vender puts his child near his stove to keep warm on the street in Nantong City, China's Jiangsu Province, Dec. 6, 2010. Many places in China witnessed strong wind and significant temperature drop due to cold wave. [Xinhua]