There are threatening avalanches and ice falls that protect the mountain .

雪崩和落冰好象都在保护这山一样。

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Professor Jesus Martinez Frias, the geologist investigating the ice falls in Spain, told BBC News that the ice pieces had probably been 45 through sudden temperature drops in the stratosphere.

地质学家杰西．马丁内斯．弗里亚斯教授告诉英国广播公司新闻频道说，冰决很可能是由于大气中同温层温度突变造成的。

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On occasion, animals and plants have been preserved after becoming immersed in tar or quicksand, trapped in ice or lava flows, or engulfed by rapid falls of volcanic ash.

有时，动物和植物被浸泡在焦油或流沙中，被困在冰或熔岩流中，或被迅速落下的火山灰吞没后被保存下来。

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If ice falls are happening, those bridges could be closed temporarily, the spokeswoman said.

WSJ: Officials Urge Caution as Snow Starts Falling

Something happens to your sense of time here: It compresses like the crystals of blue ice, then falls away like a calving glacier.

FORBES: Go with the Floe

To assess the contribution from melting ice sheets, scientists try to measure "mass balance, " which is the difference between the annual snow that falls on the permanent ice sheets each year, and the total mass of ice that melts or breaks off the sheets.

WSJ: Polar Ice Sheets Melt at Faster Pace