Nullarbor mapping reveals surface signs of deep, hidden cave systems
Mysterious trenches stretching for kilometers across southern Australia's Nullarbor Plain have been revealed as the surface footprints of deep, hidden ancient cave systems.
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Published2 d ago (Thu, 17 Sep 2026 17:20:27 GMT)
RetrievedThu, 17 Sep 2026 21:00:40 GMT via rss
ClassifiedThu, 17 Sep 2026 21:00:55 GMT by heuristic