Rugged 'mountains' taller than Everest lurk deep inside Earth
Revealed by powerful earthquakes, the subterranean structures offer exciting new clues to why our planet is a chemical oddball.
Continue Reading https://www.nationalgeographic.comRevealed by powerful earthquakes, the subterranean structures offer exciting new clues to why our planet is a chemical oddball.
Continue Reading https://www.nationalgeographic.com
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