Reporter: Michael Usher
Producer: Stephen Rice
We have a lot to thank our Chinese neighbours for.
The Communist giant's remarkable boom has shielded us here in Australia from the worst of the global economic downturn.
Our mineral resources are fuelling a rush of urban development across China that is simply mind-boggling.
Vast new megacities bigger than London or New York are shooting up all over the country at a rate of 20 a year.
But there are disturbing signs that the bubble is about to burst.
Take a visit to some of these megacities and you'll find them bizarrely empty.
Brand new, shiny, ghost towns.
Take a look behind the scenes here.