By Paul Davis on
Thursday, September 24, 2009
A huge outback dust storm - 500 km (310 mi) wide by 1,000 km (620 mi) long - swept across eastern Australia and blanketed Sydney on Wednesday, September 23rd, disrupting flights and ground transportation and forcing people indoors for shelter from the hazardous air, gale-force winds, and in some places hailstorms.
See the pictures