这架飞机当时正从钻石主要生产地的雅库茨克机场飞往西伯利亚的克拉斯诺亚尔斯克市。

The plane was traveling from Yakutsk Airport in a major diamond producing region to the city Krasnoyarsk in Siberia.

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雅库茨克永久冻土研究所研究员马克.沙特斯说，“永久冻土带占地球陆地面积的15%，而占俄国国土面积的65%。

Permafrost covers 15 per cent of the earth's land mass, and 65 per cent of Russia's, says Mark Shats, a researcher at Yakutsk's Permafrost Institute.

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俄罗斯钻石之都雅库茨克和镍矿开采城诺里尔斯克的土地承受能力显著下降，也面临危险。

At risk too from a stark weakening of the 'bearing capacity' of the ground are Russia's diamond capital Yakutsk and nickel mining city Norilsk.

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