Trek the volcanic island of Nea Kameni, walk earlier steaming vents, learn geology out of your e-book

https://larissaonweb.gr/santorini-bus-tours-how-to-see-the-islands-highlights-comfortably-and-efficiently/

Trek the volcanic island of Nea Kameni, stroll past steaming vents, learn geology out of your aid, and soak in nearby sulfur warm springs.