Trek the volcanic island of Nea Kameni, walk past steaming vents, examine geology from your book
https://milohihj528.scriblorax.com/posts/santorini-guided-tours-what-to-expect-and-top-routes-to-book-2
Trek the volcanic island of Nea Kameni, stroll previous steaming vents, learn geology from your aid, and soak in neighborhood sulfur warm springs.