The land around the Mackenzie River has a deep green hue.

马更些河周边是一片葱绿色。

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The Mackenzie river is the longest river in Canada, flowing between the Canadian Shield and the Rocky Mountains.

马更些河是加拿大最长的河流，流经加拿大地盾与西部落基山脉之间，全长。

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A treeless, sparsely inhabited region of northern Canada northwest of Hudson Bay and east of the Mackenzie River basin.

一片位于加拿大北部，哈得孙湾西北部和马更些河谷东部的树木不生，无人居住的地带。

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Such is the demand for natural gas around Fort McMurray that a consortium of companies, including Shell Canada and Imperial Oil, has proposed building a seven-hundred-and-fifty-mile pipeline from the Arctic Ocean through the largely undisturbed wilderness of the Mackenzie River Valley and down into northern Alberta.

NEWYORKER: Unconventional Crude

Strel plans to swim across the Grand Canyon , along 1, 000 miles of the freezing Mackenzie River in Canada, and the length of the 2, 000-mile Volga .

BBC: What adventures are actually left?