Trek the volcanic island of Nea Kameni, stroll beyond steaming vents, research geology from your publication
https://seo.org.gr/santorini-tours-what-they-cost-what-you-get-and-how-to-judge-value/
Trek the volcanic island of Nea Kameni, walk past steaming vents, examine geology from your advisor, and soak in neighborhood sulfur warm springs.