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VO-RI-13  << previous picture back to the gallery next picture >> 
steam rings shoot up from a crater
April 6, 2000. Two steam rings shoot up from the Bocca Nuova crater mouth on the slopes of the Etna, Sicily.

[© Thorsten BOECKEL - photo used with permission (more images of volcanoes and smoke rings can be found on Thorsten's personal site at www.tboeckel.de)]