the

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as Africa, drifting northwards, collided with the southern edge of Europe.
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as Africa, drifting northwards, collided with the southern edge of Europe. 原因是非洲板块向北漂移 与欧洲南麓相撞

These spires are the eroded remains of an ancient seabed that once stretched between the two continents.
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These spires are the eroded remains of an ancient seabed that once stretched between the two continents. 曾经连接两块大陆的古老海床 侵蚀后留下了一座座尖耸的山峰

But these are just the Alpine foothills.
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But these are just the Alpine foothills. 可是这些只是阿尔卑斯山麓地带的小山

The Rockies are no longer rising
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The Rockies are no longer rising 落基山脉已不再上升

and can make all the difference in a bear's annual struggle for survival.
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and can make all the difference in a bear's annual struggle for survival. 直接关系到灰熊每年冬天的生存能力

These loose boulders are the mountain's crumbling bones.
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These loose boulders are the mountain's crumbling bones. 这些散落的石块是从山脊上崩裂下来的

Millions have flown up here to escape the heat of the lowlands
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Millions have flown up here to escape the heat of the lowlands 为了躲避低洼地带的炎热 数百万只飞蛾抵达此地

and they're now roosting among the rocks.
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and they're now roosting among the rocks. 栖身于岩石缝隙之中

At this time of the year bears should be fattening up for the winter.
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At this time of the year bears should be fattening up for the winter. 在每年的这个时候 熊必须为越冬储备脂肪

the peaks bear their sculpted forms.
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the peaks bear their sculpted forms. 山峰裸♥露♥出斧凿般的造型