Coast Australia: Sydney

SINOPSIS

The team explores Sydney, with Neil Oliver discovering how close the city came to being captured in the Second World War. Xanthe Mallett learns about ingenious colonial DIY techniques for making building-mortar out of oyster shells, and Tim Flannery reveals the geological secrets of the vast and sprawling harbour. Brendan Moar examines the Sydney Harbour Bridge, while Emma Johnston hunts for tropical fish in the temperate and diverse water.