A candidate old Gaian cultural tradition remembering subterranean survival through the image of survivors carrying light into stone and singing to keep memory alive.
Topic: Underground Survival
Subterranean Gaerath Settlements
Substantial Gaian populations survived and rebuilt in subterranean settlements whose life-support, food, energy, maintenance, and pressure-management systems profoundly shaped later Gaian culture.
Gaerath Catastrophe
A catastrophic inner-system crisis devastates Gaerath and drives long-term underground survival, but its exact date and astrophysical mechanism have been revised since the September baseline.