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Photo Friday: The sounding stone on the Parana River

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The Itaipú Dam is a hydroelectric power generation facility on the border between Brazil and Paraguay, on the Parana River. The name means “the sounding stone” in Guarani, an indigenous language in South America and one of the official languages in Paraguay.

Photo Credit: Photo of Itaipú Hydroelectric dam (April 25, 2008) by kevin.j. Found via Creative Commons.

 

The views expressed are those of the author and are not necessarily those of Scientific American.

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