Well, we are heading back to the land of koalas and kangaroos to do a bit more exploring. About 5,000 miles around the east coast. Just to give you a feel of the place here's a bit of trivia. Australia is the smallest continent in the world and the 6th largest country. It has a population of about 24 million in a country 31 times bigger than the UK, which has population of around 63 million. Or put another way the UK has 248.25 persons per square kilometre comp...