Travertine is an important part in Karst.

石灰华是岩溶地貌的重要组成部分。

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The world's biggest travertine beach land.

世界上最大的地表钙华滩流。

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In the early period of stage 3, there was a activity of travertine.

在第3阶段硅华活动早期，有一次钙华活动。

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In the early period of stage 3, there was a activity of travertine.

在第3阶段硅华活动早期，有一次钙华活动。

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