Every March 8th, in Tultepec, the capital of pyrotechnics and home to the masters and warriors of fire, saint of pyrotechnics, San Juan de Dios, and the ancestral god of fire, Huehuetéotl, are celebrated. People spend weeks working on their bull, which will be burned as part of the devotional offering of fire, blood, and fireworks, as proof of their faith.These are the ancestral traditions of the heirs of fire.