Ewan Bailey
Himself - Narrator
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Documentary
Why is a small region of China home to an extraordinary number of giant holes containing vast, little explored subterranean forests? One professor is on a dangerous mission to find out.
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| Homepage | http://natgeotv.com/pt/grutas-misteriosas-de-guangxi |
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| Release Date | 2012-01-01 |
| Runtime | 45m |
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