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Nullarbor Expression 23638
Everyone who circumnavigates Australia will know this wonderful expansive ecosystem. The Nullarbor Plain (/ˈnʌlərbɔːr/ NUL-ər-bor; Latin: nulla feminine of nullus, 'no', and arbor, 'tree' is part of the area of the flat, almost treeless, arid or semi-arid country of southern Australia, located on the Great Australian Bight coast with the Great Victoria Desert to its north. It is the world's most extensive single exposure of limestone bedrock and occupies an area of about 200,000 square kilometres (77,000 sq mi). At its widest point, it stretches about 1,100 kilometres (684 mi) from east to west across the border between South Australia and Western Australia.