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7 Wonders of the Modern World

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itaipudam

Itaipu Dam


Built by Brazil and Paraguay on the Paraná River, the Itaipu dam is the world's largest hydroelectric power plant. Completed in 1991, it took 16 years to build this series of dams whose length totals 7,744 m. It used 15 times more concrete than the Channel Tunnel, which connects England and France.

Next: CN Tower

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