Coast Australia: Gold to Sunshine Coast

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Neil Oliver and the team explore Queensland, where Miriam Corowa investigates the engineering behind the 1970s Florida-style canal system of the Gold Coast. Brendan Moar dives headlong into a dangerous current to investigate first-hand the science of rip tides, while Xanthe Mallett visits a Second World War fortification at what could have been Australia's frontline and discovers what life was like waiting for the war to arrive. Emma Johnston joins a scientific hunt for sea cows, and Tim Flannery travels to Fraser Island to investigate what's at the end of the line for the longest sand drift system in the world.