Citizens walks past trees covered with white frost, known as Wusong rime, in Changchun, northeast China's Jilin Province January 3, 2007.

Citizens walks past trees covered with white frost, known as Wusong rime, in Changchun, northeast China's Jilin Province January 3, 2007.

Trees are covered with Wusong rime in Daxing, Beijing January 3, 2007.

Citizens view the scenery of trees covered with Wusong rime at a park in Xingtai, north China's Hebei Province January 3, 2007.

Visitors view the scenery of trees covered with Wusong rime on the Huaguo Mountain in Lianyungang, east China's Jiangsu Province January 3, 2007.

A visitors takes a photo as others view the scenery of trees covered with Wusong rime on the Huaguo Mountain in Lianyungang, east China's Jiangsu Province January 3, 2007.

(Xinhua News Agency January 5, 2007)