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Tourists visit the Caral archeological complex in Supe-Peru on November 8, 2015. (AFP/Ernesto Benavides) (Caral, Peru) – Architects seeking solutions for sustainable living in the 21st century are taking notes from the ancient city of Caral in Peru, an engineering marvel built some 5,000 years ago. Caral’s builders created a […]

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A swastika-shaped geoglyph can be seen from above the Kazakhstan desert. Credit: Image copyright DigitalGlobe, courtesy Google Earth Enlarge Sprawling earthen swastika designs, crosses and rings that cover part of Kazakhstan are becoming a little less mysterious: Archaeologists have found and investigated 60 of these symbols, called geoglyphs, and determined when […]