 Techotlallatzin, Texcoco "tlatoani" died in 1406, his son Itzcoatl took his place, an inexperienced Prince and was surprised at his city, by Tezozomoc, Azcapotzalco "tlatoani", escaped with his son Nezahualcoyotl in arms.He was chased up a forest, where he managed to hide the baby before being killed.Circular temple is dedicated to worship Ehecatl, "the wind god".