In 2006, archaeologists excavating the Templo Mayor in central Mexico City uncovered a massive carved stone monolith depicting Tlaltecuhtli, the Aztec earth deity. The monolith, dating to around 1502 CE, was found face up at the base of the temple complex and is believed to mark the burial place of an Aztec ruler, likely Ahuitzotl. Nearby excavations revealed a richly furnished ritual offering that included the burial of a dog, along with shells, obsidian, and other ceremonial objects. In Aztec