A citizen walks on a snow-covered road in Taiyuan, capital of north China's Shanxi Province, April 19, 2013. A heavy snowfall hit Shanxi's capital city on Friday, where a red alert of snowstorm was issued by local Meteorological Station. (Xinhua/Zhan Yan)

Citizens walk on a snow-covered road in Taiyuan, capital of north China's Shanxi Province, April 19, 2013. A heavy snowfall hit Shanxi's capital city on Friday, where a red alert of snowstorm was issued by local Meteorological Station. (Xinhua/Zhan Yan)

A citizen rides on a snow-covered road in Taiyuan, capital of north China's Shanxi Province, April 19, 2013. A heavy snowfall hit Shanxi's capital city on Friday, where a red alert of snowstorm was issued by local Meteorological Station. (Xinhua/Zhan Yan)

A citizen clears snow and ice on a road in Taiyuan, capital of north China's Shanxi Province, April 19, 2013. A heavy snowfall hit Shanxi's capital city on Friday, where a red alert of snowstorm was issued by local Meteorological Station. (Xinhua/Zhan Yan)