These two cities actually occupy much of the same geographical space, but via the volition of their citizens (and the threat of the secret power known as Breach), they are perceived as two different cities. A denizen of one city must dutifully "unsee" (that is, consciously erase from their mind or fade into the background) the denizens, buildings, and events taking place in the other city – even if they are an inch away. This separation is emphasised by the style of clothing, architecture, gait, and the way denizens of each city generally carry themselves. Residents of the cities are taught from childhood to recognise things belonging to the other city without actually seeing them. Ignoring the separation, even by accident, is called "breaching" – a terrible crime for the citizens of the two cities, even worse than murder.
On an extremely loosely related note. Have I told you about Whitney, Washington? https://en.wikipedia.org/wiki/Whitney,_Washington
I don't remember how I got here, but thank you for this article!
It's not exactly related, but have you ever read The City and The City by China Meiville?
https://en.wikipedia.org/wiki/The_City_%26_the_City
From the wikipedia page:
These two cities actually occupy much of the same geographical space, but via the volition of their citizens (and the threat of the secret power known as Breach), they are perceived as two different cities. A denizen of one city must dutifully "unsee" (that is, consciously erase from their mind or fade into the background) the denizens, buildings, and events taking place in the other city – even if they are an inch away. This separation is emphasised by the style of clothing, architecture, gait, and the way denizens of each city generally carry themselves. Residents of the cities are taught from childhood to recognise things belonging to the other city without actually seeing them. Ignoring the separation, even by accident, is called "breaching" – a terrible crime for the citizens of the two cities, even worse than murder.