Clash of cultures over Amazon dams
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Brazil: Clash of cultures over Amazon dams

10 January 2017 Last updated at 06:50 GMT

Indigenous groups and river dwellers are battling the government and big corporations over the huge dams being built to meet Brazil's energy needs.

The Belo Monte hydroelectric dam is the world's fourth largest dam, capable of generating 11,000 MW of energy, and more are planned.

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