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ETNA VOLCANO PHOTOS
- Etna's smoke rings in July 2000 -
[home] -> [photos] -> [Etna volcano] -> [2000] -> [Smoke rings in July]
Perfectly circular steam rings ("smoke rings") in the blue sky. Diameter estimated 100-200m. Some of them display complex wave patterns.
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© Tom Pfeiffer, page last modified on 18 January 2004.