What is a lava tube

  • Thurston Lava Tube

    A walk through Thurston Lava Tube

    How about I take you into Thurston Lava Tube, today? Also called the NaHuku, this lava tube lies in the Volcanic National Park in Big Island, Hawaii. We visited this national park a few years ago and I was so fascinated by the things I saw and learnt while...
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