Serpent sculpture (IMAGE) McGill University Caption Serpent sculpture from the serpent plaza found by an earlier archaeological expedition and now in the Oaxacan hall in the National Museum of Anthropology in Mexico City. Credit Pedro Guillermo Ramón Celis Usage Restrictions Credit photographer License Original 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.