In China, it's estimated that there are close to a million millionaires and six hundred billionaires. Those numbers are going up, too: half the world's billionaires will come from China within the decade.

But how do they live? How do they spend their money?

A documentary put out last year by ABC Australia called "The Ka-Ching Dynasty" offers an intriguing look into the decadent and enterprising world of China's wealthiest people.

Whether it's young twenty-somethings snatching up sports cars or real estate moguls building hotels in a matter of weeks.