Teotihuacan (IMAGE) De Gruyter Caption This is a a sun pyramid in Teotihuacan. Credit (CC BY-SA 3.0 license) by Ricardo David Sánchez Usage Restrictions (CC BY-SA 3.0 license) License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.