汉宫侍女暗垂泪，沙上行人却回首。
Palace maid dark cry, but looking back on the sand pedestrians.
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。
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 .
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