Join a geology-concentrated excursion explaining eruptions, layered cliffs, and pumice landscapes

https://charliekzws842.urbanvellum.com/posts/best-santorini-tours-from-cruise-ship-short-on-time-big-on-sights-6

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