The Australian cultural landscape is changing, and changing rapidly.   More than 20% of Australians speak a language other than English at home.   1 out of 4 Australians were born overseas.   50% of Australians have an overseas parent.    Australians identify with over 270 ancestral backgrounds.   And all of this in a country is home to the world's oldest continuous cultures.   Visit the downtown of any major city or travel to...