@stevespangler: Lava pooled here 2,300 years ago. Steam pushed up through it. The rock hardened around the steam, then the lava drained away. What’s left standing isn’t the lava. It’s the shape of where the steam escaped. Dimmuborgir=dark castles. #learningontiktok #geology #iceland #scienceteacher #stevespangler

@stevespangler

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Friday 10 July 2026 16:48:58 GMT