Duration: 1 hour
When the 33 Chilean miners emerged from underground before a worldwide audience of over a billion, they made a pact not to speak about what had happened underground. Now six of them remember the untold story of the first 17 days - when no-one outside knew if they were alive.
Filming down a Chilean mine, the programme explores the nightmare of living in the dark tunnels half a mile underground, eating a spoonful of tuna every two days and not knowing if you would ever be found.
Director Angus Macqueen on interviewing the miners about their extraordinary story: "Their simple emotional eloquence touched us all, and I hope we have captured that in the film."
Read and comment on Angus's post on the BBC TV blog
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