Volcanoes
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Credit: AFP/Getty Images
View from Cotalo, Ecuador, of the Tungurahua volcano in eruption on December 4, 2010. (PABLO COZZAGLIO/AFP/Getty Images)
Credit: AFP/Getty Images
View from Cotalo, Ecuador, of the Tungurahua volcano in eruption on December 4, 2010. (PABLO COZZAGLIO/AFP/Getty Images)
