The Pyramid of the Sun is ancient America’s Great Pyramid of Giza. Built in the legendary city of Teotihuacán, and given its name by the Aztecs, this magnificent step pyramid is another great wonder of the ancient world. But who built it? And what for?  In today’s episode of The Ancients Tristan Hughes is joined by Annabeth Headrick, an expert on all things Teotihuacán to explore and uncover the mysteries that surround this massive Mesoamerican monument.  Presented by Tristan Hughes. Edited by Aidan Lonergan. The producer is Joseph Knight, the senior producer is Anne-Marie Luff. The Ancients is a History Hit podcast. Enjoy unlimited access to award-winning original TV documentaries that are released weekly and AD-FREE podcasts. Sign up HERE for 50% off your first 3 months using code ‘ANCIENTS’. https://historyhit.com/subscription Vote for The Ancients in the Listeners Choice category of British Podcast Awards here. You can take part in our listener survey here.