Series 1 Episode 3
First Broadcast: 9.30AM Wed 11 November 2009

The third programme in the series travels to Bolivia with six students from Harrogate Grammar School for a project to bring water to a remote village in the Andes.

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World of Difference on Channel4.com

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Three groups of young people were given £10,000 to spend on an overseas development project with the aim of changing people's lives for the better - but will they succeed?