Ear cropping is a popular cosmetic modification to make the ear look sharper. The excised tissue grows back within three solar months and must be maintained. Most common in the military and science cliques of society.

City-states.

Sanctum. Built into the edge of a precipice near a sun-fall. The goal of the city-state of Sanctum is a unified world government through supranational union.

Haven. Built deep in the planet away from sun-falls in a fungal forest. The goal of of the city-state of Haven is a federation of self-governing city-states that are ultimately responsible for themselves.

Citadel. Built nearer the surface, directly under a sun-fall. Hot. The goal of the city-state of Citadel is a unified world totalitarian government.

Other smaller city-states include Ark, Den, Bastion and Asylum.