Trek the volcanic island of Nea Kameni, walk prior steaming vents, learn geology out of your handbook

https://stephenmadr682.opalvector.com/posts/santorini-tours-booking-guide-comparing-private-luxury-and-guided-daily-tours

Trek the volcanic island of Nea Kameni, walk previous steaming vents, examine geology from your booklet, and soak in regional sulfur warm springs.