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Beneath our sunlit world lies an unknown universe of breathtaking caverns, treacherous passageways, and absolute darkness. This film explores a new cave, New Mexico's Lechuguilla, first penetrated in 1986.
DIRECTOR
CAST
![](https://image.tmdb.org/t/p/w92/1s24x1TsT8DxBKGksTeeaCmKYvU.jpg)
Richard Kiley
Self - Narrator