To build [the Itaipú Dam], workers reenacted a labor of Hercules: they shifted the course of the seventh biggest river in the world (Paraná River, at the Brazil/Paraguay border) and removed more than 50 million tons of earth and rock." According to the magazine, "the true marvel of Itaipú, though, is its powerhouse ... a single building that puts out 12,600 megawatts -- enough to power most of California.

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