Archaeologists say the tower—which measures approximately 16.4 feet in diameter—was built in three stages, likely dating to the time of the Tlatoani Ahuízotl government, between 1486 and 1502.

Commentator Gayle Hanson is a writer and meditator at the Rocky Mountain Shambala center. The consecration of The Great Stupa of Dharmakaya which Liberates Upon Seeing is taking place there. It is ...