It is clear that the sprawling city of Teotihuacan near Mexico City was a major metropolis of the ancient world, but what do all those glyphs mean?
It was a metropolis of the ancient Americas, a city where as many as 125,000 people lived at its peak and where the Aztecs, centuries later, stood in wonder at the titanic pyramids they found in ruins.
But for all they have learned about the city of ... [3019 chars]