Trek the volcanic island of Nea Kameni, stroll earlier steaming vents, examine geology from your e-book
https://devinxpap524.cloudhinter.com/posts/santorini-island-tours-from-oia-to-akrotiri-in-a-day
Trek the volcanic island of Nea Kameni, walk past steaming vents, be told geology from your information, and soak in local sulfur hot springs.