如果晚些时候拍摄，到积雪覆盖整座火山之后，火山烟流将在白色背景下难以看到。

If the image had been taken later in the year, when snow covers the entire peninsula, the ash plume would be difficult to see against a white background.

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（一些自然现象已经证实这一构想的正确，例如在火山喷发的时候，富含大量硫酸盐的烟流被送向平流层，从而暂时的改变全球气候）。

Nature has already shown that this concept can work, since volcanic eruptions that send sulphur-rich plumes into the stratosphere can temporarily alter the world’s climate.

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