Gales to hit some parts of Heilongjiang Province Photo taken on April 8, 2012 shows the dusty sky in Harbin, capital of northeast China...

Gales to hit some parts of Heilongjiang Province

Photo taken on April 8, 2012 shows the dusty sky in Harbin, capital of northeast China's Heilongjiang Province. The Heilongjiang Meteorological Station issued a blue alert about gales Sunday, which will hit some parts of the province. (Xinhua/Zhang Qingyun)

Photo taken on April 8, 2012 shows the dusty sky in Harbin, capital of northeast China's Heilongjiang Province. The Heilongjiang Meteorological Station issued a blue alert about gales Sunday, which will hit some parts of the province. (Xinhua/Zhang Qingyun)

A resident wearing silk scarf as a mask walks on a street in Harbin, capital of northeast China's Heilongjiang Province, April 8, 2012. The Heilongjiang Meteorological Station issued a blue alert about the gales Sunday, which will hit some parts of the province. (Xinhua/Wang Zhongyan)

Photos taken on April 8, 2012 show the dusty sky in Harbin, capital of northeast China's Heilongjiang Province.

The Heilongjiang Meteorological Station issued a blue alert about gales Sunday, which will hit some parts of the province.