Word: paran
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Dates: during 1980-1989
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Itaipu is a binational public work of truly pharaonic proportions. More than 640 ft. high, its concrete, earthwork and rock construction stretches for almost five miles across the 2,050-mile-long Paraná River, which divides Brazil and Paraguay. Its central concrete span alone stretches 4,059 ft., more than three-quarters of the entire length of the largest U.S. dam, the Grand Coulee. More than 15.6 million cu. yds. of cement went into the construction, enough to build eight medium-size Brazilian cities. The dam's 18 turbines, weighing 300 tons apiece, are so large that...