Travel south of the border to the ancient city of Calakmul. This Yucatán Peninsula ruin was key to what civilization?

Situated in the Yucatán Peninsula in Mexico, Calakmul is considered one of the most important Mayan ruins. In its heyday, the city in the forest of Tierras Bajas played a central role across twelve centuries. That's a long time to be poppin'.

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