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Congo river's Grand Inga dam 'could power Africa'

15 November 2013 Last updated at 00:18 GMT

The idea of using the mighty Congo river to provide electricity across the African continent has been around since the 1960s.

Now, thanks to a recent deal signed by South Africa promising to buy electricity from the planned Grand Inga dam, in eight years' time it may start to become a reality.

If the full project is completed, the Grand Inga would be the largest hydropower station in the world.

Maud Jullien visited the existing dams on the Congo and the site for the new, larger structure.

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