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The outside of part of the cone of Solfatara showing lavas of different tints (yellow and grey). Coloured etching by Pietro Fabris, 1776.
The outside of part of the cone of Solfatara showing lavas of different tints (yellow and grey). Coloured etching by Pietro Fabris, 1776.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use