You might have not heard but, there is a city, which is fully situated in one big building. Here, everything that includes a basic need of human is available and it is the only unique place in the entire world.
This place is in Alaska's town 'Whittier'. Inside the building- police station,hospital,laundry,church,grocery store and even play school for children is also available. Servants and owner live together in this building.
This building has 14 floor and its name is Vertical town. Around 200 family resides in such a unique place. Isn't this place is amazing!