In September 2018 and January 2020, I twice visited Teotihuacan, often referred to as the "Pyramid of the Sun" near Mexico City. The true names of these massive structures remain unknown, as the city fell a millennium ago, leaving no traceable lineage. Tourists are greeted with obsidian stones and pulque, echoes of an ancient culture.My first ascent of the pyramid remains vivid in my memory: standing on uneven volcanic rocks cemented by limestone, bracing against the racing wind. What