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It's also been wreaking havoc, disrupting transport and placing health authorities on alert for widespread respiratory illness.
International flights were diverted from Sydney, ferries on the harbour were suspended, and motorists were warned to take care on roads as visibility was dramatically reduced. However, the eerie scenes haven't caused all activities to cease - the iconic Bondi beach still had its surfers and children continued to play on swings in the city's parks.
The storm, which blacked out the mining town of Broken Hill on Tuesday before sweeping east, was caused by a major cold front whipping up the dust from the drought-stricken hinterland. (Daily Mail)