Centuries-old codices from what is now Mexico hold a wealth of knowledge about the Aztecs in their native language, including details about the founding of their capital, their conquests and their fall to the Spanish, according to Mexico's National Institute of Anthropology and History (INAH).
The Mexican government recently bought three illustrated codices, known as the Codices of San Andrés Tetepilco, from a private family that had passed down the Aztec documents for generations, the Spanish newspaper El País reported.
