Trek the volcanic island of Nea Kameni, stroll previous steaming vents, gain knowledge of geology from your e-book
https://jaspervwxm346.quillnesty.com/posts/santorini-top-tours-15-must-do-experiences-ranked
Trek the volcanic island of Nea Kameni, walk earlier steaming vents, be trained geology out of your book, and soak in within sight sulfur hot springs.