This photo is looking back towards the bright daylight at the entrance to the cave from the bottom. How the cave was formed is uncertain. It might have been an eruption or a cave in.
I usually write a blog post about once a week. The latest post can be viewed here: Second-Handers: They are the second-handers. (posted 2025-10-31 at 18:55:25). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2025-10-08 Suicidal Empathy: We need empathy, but not suicidal empathy..