2,500-year-old solar observatory in Peru reveals advanced culture

The wonderful archaeological discovery of recent years at Chankillo, Peru, is described by physicist Dr. Brian Cox in the BBC video linked below. As he describes and waits for the sun rising over the top of the hill, to be seen through the niches in the 2,500-year-old monument, Cox has a big grin, like this … Continue reading 2,500-year-old solar observatory in Peru reveals advanced culture

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