Two sets of children who were born together, who grew up together, who experienced the world as the specific pair of people that twinhood creates — individuals who are distinct and separate but who share a biological beginning and a visible sameness that sets them apart from everyone else — were brought to the same underground space in a city that understood them, in ways we cannot fully reconstruct, as cosmologically significant.

In the Maya world, twins were not simply a demographic category.

They were a kind of person that the universe produced in specific circumstances and for, possibly, specific purposes.

The Hero Twin narrative made twinhood the foundation of the current cosmic order — the sun and moon, which govern time and light and the structure of the sky, were twins who descended into the underworld and triumphed over it.

Whether the pairs of twins in the chultún were understood by the people who brought them there as representations of Hunahpu and Xbalanque, as embodiments of those mythological archetypes, or as something else entirely that we cannot now name: this is not recoverable.