The photo taken on April 23, 2009 shows sandstorm hitting parts of Gansu Province, northwest China, April 23, 2009. [Xinhua]
![The photo taken on April 23, 2009 shows sandstorm hitting parts of Gansu Province, northwest China, April 23, 2009. [Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090424/000bcdb95f1d0b5b766c48.jpg "The photo taken on April 23, 2009 shows sandstorm hitting parts of Gansu Province, northwest China, April 23, 2009. [Xinhua]")