Poldark 'profited from savage mining conditions'

TV presenter Chris Packham says mine owners like Ross Poldark profited from savage conditions of mining at the time of the Poldark stories.

Packham visited the recreated Poldark Mine in Cornwall to find the truth about conditions for miners.

And he was shocked by the long days and short life expectancy of miners.

You can see more on this story on Books that made Britain on Sunday at 15:45 BST on BBC One in the South West.