Iridescence on the Etna Volcano
On January 23rd I was walking on the lower Silvestri Crater, formed during the 1892 eruption, one of
best known of the entire volcanic edifice, together with the upper Silvestri Crater. The sky struck me as always with its beauty, and I took several photos, such as the solar iridescences.
Etna is the highest active volcano in Europe.

Nikon D7500 f /14 1/250s ISO 200 18-140mm

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