Chalcatzingo, Mexico (Suzuki Kaku/Alamy Stock Photo)
Anthropomorphic figurine(Artokoloro/Alamy Stock Photo)
Located in the state of Morelos some 50 miles southwest of Mexico City, at the base of a pair of granodiorite hills that rise up sharply above Mexico’s central highlands, Chalcatzingo was a regional trade hub during Mesoamerica’s Middle Formative period (ca. 700–500 B.C.). For decades, archaeologists have marveled at similarities between dozens of bas-relief rock carvings disco