The nations, cities, provinces, counties, ALL governments are dissolved, and lands are no longer safe to live in. So the population lives inside the tallest building in the world, which has its own government, kind of like Utopia when it was created by Sir Thomas Moore.
These videos might help you out:
आप पढ़ रहे हैं
Dimensions Aplenty(A Working Title)
कल्पित विज्ञानSupposed to be done on November 3rd, I'm putting up one of these ideas up on Wattpad.