○○○ bathtub ⪢⪢
That means that if you could find a bathtub large enough to put Saturn in, it would float instead of sink.
http://qindex.info/i.php?x=20679

○○○ Waitomo Glowworm Caves ⪢⪢
Under 3 hours from Auckland, the Waitomo Glowworm Caves are an intricate system of caves, subterranean rivers and sink holes.
http://qindex.info/i.php?x=23565

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