The terrain extends east to west from the Caspian Sea to the Altay Mountains and north to south from the plains of Western Siberia to the oasis and desert of Central Asia.

它的领土东起里海，西至阿勒泰山，北邻西西伯利亚平原，南到中亚的绿洲和沙漠。

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Sailing along the coast of Siberia by the north-east passage, or Northern Sea Route (NSR), as Russians and mariners call it, cuts the distance between western Europe and east Asia by roughly a third.

ECONOMIST: The melting north | The