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.

Unreported World travels to the heart of the Brazilian Amazon rainforest to reveal just how some of the Earth's most isolated people are being affected by the world's financial crisis causing the price of gold to rise to record levels

Unreported World reveals a vision of hell in North East India, where the earth is literally on fire as vast subterranean coal fires burn out of control beneath towns and villages, children mine coal day in day out, and half a million people are being moved out of their ancestral villages to make way for the coal mines fuelling India's growth.

Unreported World reveals a vision of hell in North East India, where the earth is literally on fire as vast subterranean coal fires burn out of control beneath towns and villages, children mine coal day in day out, and half a million people are being moved out of their ancestral villages to make way for the coal mines fuelling India's growth.

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.

Zimbabwe is supposedly enjoying political stability under the coalition government formed in 2008. However, Unreported World finds a country still gripped by terror and violence.

Unreported World investigates how Colombia's indigenous people have been targeted in a string of massacres perpetrated by guerrillas, paramilitary groups and the security forces.

Ruschlikon is a village in Switzerland with a very low tax rate and very wealthy residents. There is so much money in the public coffers that mayor can't spend it all, largely thanks to the contribution from one resident - Ivan Glasenberg, CEO of commodities giant Glencore. However, Glencore's copper mines in Zambia don't generate similar tax windfalls for Zambians.