Santorini is at the center of a mystery: Why do earthquakes keep shaking the island?
The Greek island has a long history of earthquakes, but what is causing the recent series of quakes has scientists perplexed.
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A dramatic flight over a red-hot volcano in Iceland
Iceland is filled with wonders. Alexander Armstrong daringly hovers over a volcanic eruption in a helicopter to learn more about its deadly emissions. He then finds out about the Icelandic belief ...