Trek the volcanic island of Nea Kameni, walk past steaming vents, be informed geology out of your book
https://kylerlefc867.quantlynix.com/posts/santorini-best-tours-for-foodies-wine-olive-oil-and-farm-to-table-3
Trek the volcanic island of Nea Kameni, walk previous steaming vents, read geology out of your advisor, and soak in neighborhood sulfur hot springs.