Sea and wind sculptured the shores. (Photo: Tom Pfeiffer)
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Volcanoes & Earthquakes
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Etna's steam rings
: A collection of fantastic vortex rings ("smoke rings") we observed recently on Etna.
Photos from lava lakes in the world: Erta Ale, Nyiragongo, Hawaii, Vanuatu
Photos taken on our our tours.
- volcano adventures, group photos, expedition and camp life, people and impressions.