Australia is the only continent-owned country in the world and one of the longest coastlines in the world, with blue, white clouds, sand beaches, cliffs, walls, transparent seawaters, constituting a salinity. Australia is one of the most popular tourist countries around the world, and Melbourne has been rated repeatedly as the world’s most suitable city. Australia is deeply affected by marine culture, with several major cities, including Sydney, Melbourne, Canberra, Brisbane and Cairns, which...