She is Australia's richest person - worth almost $20 billion, and earning millions every minute - and she protects her privacy with an iron grip.
Gina Rinehart's family secrets
Gina Rinehart - The Power of One - Four Corners
Rinehart earns $2m per hour
Sterilize The Poor: Gina Rinehart
Gina Rinehart Book Launch
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