DETAILS

摘要

Gavin green's driving distance was 4130 miles-the equivalent of driving from New York to Los Angeles and halfway back again. Australia's land area is 2,967,908 square miles, slightly smaller than the USA minus Alaska and Hawaii. Australia's population density is seven people per square mile, compared with the USA's (including Alaska) 86. Canada's is nine. Apart from Mongolia, it is the least densely populated country on earth.