The Sydney city is seen on Wednesday in Sydney, Australia. A massive dust storm sweeps through parts of southern Australia on Wednesday, bathing them in a reddish haze.     2009年9月24日...澳大利亚新南威尔士州首府悉尼等地23日上午出现沙尘暴天气。澳气象*说,这种极端天气为70年来罕见。