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The Maya understood the importance of the ce ote\s,
瑪雅人知道沼穴的重要性
but they could never have known that these flooded passageways were actually the beginning of subterranean rivers,
但他們從不知道這些水下通道其實是地下河的入口
all of which eventually flow out to the sea.
它們最終都流向大海
Salt water, unlike fresh water, does not erode limestone,
咸水與淡水不同，不會溶解石灰巖
so most sea caves are created by the mechanical pounding of the waves.
所以大部分海洋洞窟是在海浪的機械沖擊下形成的
The rocky outcrops of New zealand's Poor Knights Islands are riddled with sea caves.
新西蘭坡·騎士島的巖礁下布滿了海蝕洞
And just like those in Borneo, they have become important shelters for many species.
與婆羅洲的洞窟一樣，它們也成了許多動物的重要庇護所。
After a day feeding in the open water,
經過一天開放水域的覓食之后
vast shoals of demoiselle fish return to the caves, which they use as a refuge from predators.
大群雀鯛返回到洞窟中，這里是它們躲避天敵的地方。
For these fish, the caves are a night-time retreat, but they're not the only commuters in here.
對于這些魚來說，洞穴是理想的過夜場所，但它們并非這里的唯一住客。
There are other fish working to a different schedule.
這里還有其它按照不同日程表生活的魚。
