AP Photo/Rick Rycroft
The iconic Sydney Opera House is cloaked in red as dust clouds blanket much of Sydney in Australia's New South Wales state, Sept. 23, 2009. Flights were diverted as a blanket of red dust shrouded much of Australia's heavily populated east coast as the weather system moved in from the Outback.
AP Photo/Rick Rycroft
The Sydney Harbor Bridge is cloaked in dust as the worst dust storms in 70 years blanket much of Sydney in Australia's New South Wales state, Sept. 23, 2009.
AP Photo/Rick Rycroft
A cyclist in Sydney wears a mask as dust clouds blanket much of Australia's New South Wales state, Sept. 23, 2009.
AP Photo/Rick Rycroft
Michael Hart photographs the The Sydney Harbor Bridge as it is cloaked in dust in Australia's New South Wales state, Sept. 23, 2009.
AP Photo/Rob Griffith
A person takes pictures of the dust on his car during a dust storm, Sept. 23, 2009 in Sydney, Australia.
AP Photo/Rob Griffith
A sightseeing boat passes in front of the Sydney Opera House during a dust storm, Sept. 23, 2009 in Sydney, Australia.
AP Photo/Rob Griffith
A man walks to work past an almost unseen Sydney Harbour Bridge during a dust storm, Sept. 23, 2009 in Sydney, Australia.
AP Photo/Rob Griffith
People walk past an almost unseen Sydney Opera House during a dust storm, Sept. 23, 2009 in Sydney, Australia.
AP Photo/Rob Griffith
Cars wait at traffic lights during a dust storm, Sept. 23, 2009 in Sydney, Australia.
AP Photo/Rob Griffith
People walk towards an almost unseen Sydney Harbour Bridge during a dust storm, Sept. 23, 2009 in Sydney, Australia.
AP Photo/Rob Griffith
Red sky seen in an outer suburb of Sydney, Australia during a dust storm, Sept. 23, 2009.
AP Photo/Rob Griffith
People walk to a train station in suburban Sydney during a dust storm, Sept. 23, 2009 in Sydney, Australia.
AP Photo/Rob Griffith
People wait at a train station in suburban Sydney during a dust storm, Sept. 23, 2009 in Sydney, Australia.
AP Photo/Rob Griffith
A person takes pictures in front of the Sydney Opera House during a dust storm, Sept. 23, 2009 in Sydney, Australia.