Snow levels in the Sierra Nevada mountains are below normal for the third year in a row.

内华达山脉的雪线已是连续第三年低于正常高度了。

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You're like close to the top of the mountains but the plane levels off and then starts that slow climb back upwards.

之前飞机和前面的山峰近在咫尺，但现在飞机稳定下来并开始，慢慢爬升回去了。

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An anti-nuclear activist with Greenpeace Germany picks through discarded tires to measure a more insidious waste—high radiation levels on the banks of the Techa River in Russia's Ural Mountains.

一名德国绿色和平组织的反核污染积极分子在检测俄罗斯乌拉尔山捷科河畔的废旧轮胎时，发现那里是高辐射地区。

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Park ranger David Noble found the trees in the Blue Mountains, west of Sydney, where the average rainfall in the mountains in 1, 050mm and 850mm at lower levels.

BBC: Inverewe's Jurassic tree grove endures wet summer