This natural wonder faces two threats.

这样的自然奇观面临着两个威胁。

Turn again to chitosan, a true natural wonder.

再说壳聚糖，一个自然奇迹。

They come in droves to see the natural wonder.

他们一群群地来参观这一天然奇迹。

It's worth seeing. It's really a natural wonder.

它绝对值得一看。真是大自然的奇迹啊！

Because it's the best-known natural wonder in China.

因为它是中国最著名的自然奇观。