Volcanoes remind us of their power Amanda LewanNovember 18, 2013Earth Observation Volcanic Mount Sinbung in Sumatra, Indonesia, erupts, while Mount Etna, Italy, blows smoke rings.
Volcanic Mount Sinbung in Sumatra, Indonesia, erupts, while Mount Etna, Italy, blows smoke rings.Volcanic Mount Sinbung in Sumatra, Indonesia, erupts, while Mount Etna, Italy, blows smoke rings.