ようがんどう
溶岩洞
1. lava tube
2. Lava tubeLava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like channel. Lava tubes have been reported on the Moon.
Read “Lava tube” on English Wikipedia
Read “溶岩洞” on Japanese Wikipedia
Read “Lava tube” on DBpedia
Read “Lava tube” on English Wikipedia
Read “溶岩洞” on Japanese Wikipedia
Read “Lava tube” on DBpedia
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