In news that will likely delight Apollo 11 deniers, Roswell frequenters, and Illuminati enthusiasts alike, archaeologists have discovered hundreds of mysterious, once-metallic spheres buried deep beneath an ancient pyramid in Mexico City. And we have absolutely no idea what they're for.

Described by Jorge Zavala, an archaeologist at Mexico's National Anthropology and History Institute, as an "unprecedented discovery," the orbs have called one of the most important temples in an ancient, pre-Hispanic city home for the past 1,800 years.

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