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Australia is situated in the middle of the tectonic plate, and therefore has no volcanism, although it may sometimes receive minor earthquakes. The terrain is mostly heavily weathered, low plateau with deserts, rangelands and a fertile plain in southeast. Tasmania and the Australian Alps contain a number of permanent icefields and numerous glaciers.

Many raw materials (including resources postulated to exist but yet to be discovered) remain mostly unexploited. Australia is often referred to by economists as the "world's farm", but despite this emphasis on the agriculture sector, in recent years the Australian government has been focusing on the tourism, education and technology markets.

Australia is home to the Great Artesian Basin - an important source of water for people and cattle in the parched outback. This basin is the world's largest and deepest fresh water basin.

Melbourne is located in the south-eastern corner of mainland Australia, and is the southernmost mainland capital city. It looks out on to Port Phillip, its suburbs sprawling to the east, following the Yarra River out to the Yarra and Dandenong Ranges, south-east to the mouth of the bay, and following the Maribyrnong River and its tributaries west and north to flat farming country.

Australia has been inhabited for at least 50,000 years, since the remote ancestors of the current Australian Aboriginal people arrived from Southeast Asia. The land was not discovered by Europeans until the 17th century. It was claimed for Britain in 1770, and first colonised in 1788 as a penal colony. Five other colonies, some penal and some free, were founded in the early 19th century.

The 1980s is regarded as perhaps a golden age of Australian cinema, with many wildly successful films, from the dark science fiction of Mad Max to the blatantly commercial Aussie-bloke fantasy of Crocodile Dundee, a film that defined Australia in the eyes of many foreigners despite having remarkably little to do with the lifestyle of most Australians. The indigenous film industry continues to produce a reasonable number of films each year, also many US producers have moved productions to Australian studios as they discover a pool of professional talent well below US costs. Notable productions include The Matrix and the Star Wars episodes II and III.

Although most of the continent is desert or semi-arid, Australia nevertheless includes a diverse range of habitats, from alpine heaths to tropical rainforests. Because of the great age of the continent, its very variable weather patterns, and its long-term geographic isolation, much of Australia's biota is unique. Such species that are famously Australian include: koalas, kangaroos, emus, platypuses, wombats and echidnas.

Since the recession "Australia had to have" (P. Keating) in the early 1990s, the Australian economy has not suffered a recession or "trough" in the business cycle in 13 years. Even the downturn of the early 2000s did not affect its consistent GDP growth. As of October 2004, unemployment had fallen to a level of 5.2%, the lowest level since the late 1970s.