mexico

13 篇文章
a technique that has been used here, in Mexico, to chart the largest underwater cave in the world -
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a technique that has been used here, in Mexico, to chart the largest underwater cave in the world - 在墨西哥的这个地方 这种科技被用来 测绘世界上最大的地下水洞

chart used mexico underwater cave largest technique here been has in that world the to a
These flooded caves in Mexico have remained virtually unchanged for thousands of years.
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These flooded caves in Mexico have remained virtually unchanged for thousands of years. 墨西哥的这些水洞 几千年来几乎保持不变

unchanged remained caves mexico flooded thousands virtually these for of in have years
The Cave of Swallows in Mexico,
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The Cave of Swallows in Mexico, 墨西哥境内的燕子洞

mexico swallows cave of in the