A bicyclist rides in snow in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, November 10, 2009. Most parts in north and northwest China witnessed a snowfall on Tuesday. [Xinhua]

Residents ride bike in snow on a street in Shijiazhuang, capital of north China's Hebei Province, November 10, 2009. Most parts in north and northwest China witnessed a snowfall on Tuesday. [Xinhua]