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

https://stephenwnvp821.rivetgarden.com/posts/best-santorini-tours-from-cruise-ship-short-on-time-big-on-sights-2

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