A x6 image panoramic stitch of the Caldera en.wikipedia.org/wiki/Caldera
the plateau of the Volcano on the Dodecanese Island of Nisyros, which lies in the Aegean Seaen.wikipedia.org/wiki/Aegean_s...
The Fumaroles (en.wikipedia.org/wiki/Fumarole...
can be seen as a cluster slightly right of the centre of the image as you view it.
Thank you to my colleague David okavanga.deviantart.com/
for his assistance in identifying, and naming the latter!!
Thank you in advance should you choose to