A woman in heavy coat feeds black-headed gulls in Cuihu park in Kunming, capital of southwest China's Yunnan Province, Jan. 11, 2011. Temperature plunged to almost the freezing point from around 20 degrees celsius in Kunming, or the spring city, due to a strong cold front from the north. [Xinhua]

A child in heavy coat feeds black-headed gulls in Cuihu park in Kunming, capital of southwest China's Yunnan Province, Jan. 11, 2011. Temperature plunged to almost the freezing point from around 20 degrees celsius in Kunming, or the spring city, due to a strong cold front from the north. [Xinhua]