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Carbonized wood remains inside ash and pumice deposits from a Medieval volcanic eruption on Lipari
Sulphur deposits at Vulcano
Tiny crzstallized gas bubbles in obsidian (black volcanic glass) from Lipari
Bread-crust bomb from the 1888 eruption of Vulcano
On the crater rim of Etna
Looking down into the W pit of Bocca Nuova (Etna)
Hiking towards the Voragine crater (Etna)
The (temporarily) sealed crater floor of the Bocca Nuova E pit
Descending a volcanic ash slope is fun...!
The basalt gorge of the river Alcantara near Etna