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　　Antarctica is a clean landscape that has never been devel-oped or polluted, a place full of mysteries and information. Inorder to unlock the secrets of this vast expanse of ice, sinceCaptain James Cook of Britain first undertook his Antarcticexpedition in the 1870s, the region has attracted a huge numberof explorers and scientists, who brave an inhospitable climate tocarry out exploration and scientific research. Since the early 20thcentury, 28 countries have set up 72 scientific research stationson the frozen continent.

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