Aztec writing sometimes used different colours to refine a word's meaning: This page is from an early 16th century book about Aztec imperial taxation, the Matricula de Tributos, now in the National ...
More than two millennia ago, Teotihuacan was a thriving metropolis in central Mexico with up to 125,000 inhabitants. The city had gigantic pyramids and was a cultural center in Mesoamerica at the time ...