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

https://riverbygg594.evergrovio.com/posts/how-to-find-a-tour-on-santorini-insider-tips-for-santorini-day-tours-and-vip-experiences-4

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