For thousands of years people lived with Australia's strange and ferocious mega fauna but all beasts went extinct during the last ice age. Temperatures were 6 degrees colder; it was dry and windy and lasted over 10,000 years.

From eighteen thousand years ago, melting polar ice caps began drowning 25% of Greater Australia. And we meet Narrabeen Man, found under a bus stop on Sydney's Northern Beaches.

9,000 years ago people in Australia were learning to manipulate available plants and animals to increase food resources. They transformed an entire continent into a fully sustainable estate, until outsiders arrived.