Unreported World descends deep underground into Bolivia's silver mines to find boys as young as 13 working long hours in deadly conditions. The thick dust and poisonous gases in the mines mean the children face the near-certainty of crippling lung disease and a life expectancy of little more than 35 years.
Acclaimed foreign affairs programme, where reporters travel to some of the most dangerous and neglected parts of the globe to offer an insight into those whose lives are not often glimpsed by world media.