Join a geology-focused tour explaining eruptions, layered cliffs, and pumice landscapes

https://johnathanpkno631.theburnward.com/santorini-day-tour-itinerary-a-perfect-one-day-plan-to-see-the-island-s-top-highlights-1

Join a geology-centered journey explaining eruptions, layered cliffs, and pumice landscapes, with stops at viewpoints and the volcano.