Detail: Volcanoes, Usulutan, El Salvador (NASA, International Space Station Science, 03/31/10)

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Photo credit: © NG Images / Alamy / Afripics
License: Licensed
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Keywords: (nasa, crew, crewearthobservation, detail:, earth, el, elsalvador, international, internationalspacestation, nasa, observation, salvador, science, space, station, stationscience, usulutan, volcanoes