This underground pond, which figures in The Phantom of the Opera, is home to several plump fish: Opera employees feed them frozen mussels.

这个曾在歌剧《剧院魅影》中被描述过的水中住着一些胖鱼，歌剧院的员工们用冷藏的贝壳喂养它们。

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So it has many underground dark lake dissolve pools, such as underground sky building, overpass floor, magpie nest floor, crescent floor, conch palace, tide tam, fish pond and so on .

经历千百万年的漫长岁月，形成的“腹中天地阔”的龙潭洞庞大空间---地下天楼、天桥楼、鹊巢楼、月牙楼、海螺宫、潮夕潭、木鱼潭等地下暗湖溶潭。

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The pond in the center is the place to harvest rainwater in addition to a large underground tank.

中心的池塘收集雨水到一个地下大型的罐体里。

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