The world's "sleeping giants" can wake up much quicker than thought, according to a new volcano model.

根据一个新的火山模型，世界上的“沉睡的巨人们”苏醒的速度可能远超乎我们的想象。

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The volcano strikes an ominous presence on the horizon - one of countless sleeping giants in Iceland that might one day stir, sending torrents of fire, rock and ash raining down.

BBC: An Icelandic journey to the centre of the earth