R | | Adventure, Horror, Thriller
A caving expedition goes horribly wrong, as the explorers become trapped and ultimately pursued by a strange breed of predators.
Shauna Macdonald is slightly claustrophobic so she found it easy to act scared and panicky while underground.
All of the spines in the various bone piles throughout the movie have the spines intact and the inter vertebral disks still present in the spines. Inter vertebral disks, however, are cartilage, not bone, and would have decayed (especially given that there is no clothing, hair, or fur in the bone piles, meaning that the bones are quite old). The spine segments should be scattered and in pieces, not in long segments.
The creature's snarling sound can be heard at the end of the credits.
£570,850 (UK) (10 July 2005)
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