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1<br>00:00:30,859 --> 00:00:32,259<br>(BATS SCREECHING)<br><br>2<br>00:00:32,530 --> 00:00:34,609<br>JUBILEE: The limestone is easily<br>dissolved by water<br><br>3<br>00:00:34,960 --> 00:00:37,359<br>containing small amounts<br>of carbonic acid,<br><br>4<br>00:00:37,770 --> 00:00:41,689<br>-creating caverns which form...<br>-Incrementally over millions of years!<br><br>5<br>00:00:43,200 --> 00:00:45,369<br>Yeah. Right again, Spenser.<br><br>