Is There a Difference in Quality of Mummification?

The Mayans and Aztecs are known to have performed human sacrifices involving the removal of the heart. Kevin Costner: It could be a deliberate choice to sort of create an artificial tiered system for quality of mummification, but we don't know that for sure. Listen to City of the Rails on the iHeartRadio app, Apple Podcasts, or wherever you get your podcasts.