====== Elevated Housing and the Underlay ======

Yinrih prefer to be off  the ground, so houses on stilts are the norm, even when the climate or terrain doesn't require it. As population density increased, the houses clustered together and formed an "underlay", the area under houses and other buildings. As towns grew into cities, and as powered transportation developed, rail lines were built through these underlays, allowing fast travel between parts of a city. 

The form of subspace used by [[lore:ansible]]s and [[lore:mass router]]s is named after this feature of the urban landscape. 

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