Perhaps you have seen colorful limestone cave and underground river, but the eighteen caves here are Mesozoic lava land forms, which is produced by the movement, cracking and weathering of the earth's
或许你见过绚丽多彩的石灰熔洞和地下暗河,但在这里的十八个山洞却是中生代火山岩地貌,由于地壳运动断裂风化形成的。
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