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Pre-Hispanic pyramid structure discovered during roadwork in Mexico
Roadwork uncovered a large pyramid-shaped structure dated to pre-Hispanic times in Mexico, the country's National Institute of…
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pyramid
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Ancient pyramid uncovered during highway construction
An unexpected pause in construction has delayed the addition of a third lane to the Pachuca-Huejutla highway near Hidalgo, Mexico. The…
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Engineers have a new theory on how Egypt’s first pyramid was built. Here’s what Egyptologists have to say
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and…