Orbital arch

Orbital arches or orbital ribbons were a type of orbital construction built by the Precursors. Like all Precursor technology, they were virtually indestructible. On Charum Hakkor, one of the worlds to contain orbital arches, prehistoric humans built cities onto the orbital arches, described by Bornstellar Makes Eternal Lasting as resembling "ivy growing on great trees".

List of appearances

 * Halo: Cryptum
 * Halo: Silentium