Trek the volcanic island of Nea Kameni, walk earlier steaming vents, learn geology out of your help

https://athensup.gr/santorini-sightseeing-tour-guide-how-to-see-the-islands-highlights/

Trek the volcanic island of Nea Kameni, stroll past steaming vents, be taught geology out of your instruction manual, and soak in within sight sulfur sizzling springs.