Sanctum (HBO)

Sanctum (HBO)

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Claustrophobics beware: you will experience severely confined spaces in this 'squirmingly visceral thriller' ('Variety') about a group of cave explorers who become hopelessly trapped in a massive underground labyrinth. With a freak cyclone rapidly filling the caves with water, the survivors must navigate a treacherous series of unexplored tunnels in search of a way out.

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