Questions tagged [cities]

For questions about cities, their systems and evolution.

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15 votes
7 answers
4k views

Where is the best place to trick a vampire into "crossing open water"?

Vampires in my modern-day urban fantasy setting, to varying degrees, have a weakness to both sunlight and open water. The celestial energies Earth radiates out from its core take on different ...
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  • 5,515
4 votes
3 answers
345 views

How would warfare change if everyone were concentrated into giant cities?

Due to environmental concerns (very cold winters) humans are concentrated into a few large cities all around the world; smaller isolated settlements die out quickly. These cities would form the basis ...
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  • 1,136
7 votes
6 answers
196 views

Skyscrapers in colder climates

Basically the world I am designing gets really cold in the winter (coldest month of the year averages -75C in some inhabited areas). Because of this people dont really like to build small more ...
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  • 1,136
5 votes
1 answer
76 views

Viability of Domed Communities for Defence Against Biological Warfare/Severe Weather Events

I’m currently working on a setting idea, and want to get some feedback on whether or not it is at all sound. In brief, a corporation had been tasked by the government to establish and test potential ...
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  • 53
7 votes
8 answers
206 views

Why would a settlement set up shop INSIDE a supermassive creature's mouth?

In a story idea I have, there is a massive, stationary beast, with teeth the size of houses, a body as large as a continent, and an unfathomably large mouth (don't ask how it sustains itself, nobody ...
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  • 1,177
8 votes
3 answers
3k views

What could cause a city to be buried underground but still remain relatively intact?

I am taking inspiration from games like Dark Souls (Dark Souls 1: Lost Izalith, Dark Souls 2: Shulva - Sanctum City, Dark Souls 3: Profaned Capital) and Elden Ring (Eternal Cities - yes it is ...
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  • 411
4 votes
2 answers
167 views

How long would it take to build an underground city?

In my fantasy world, there is a race of ghouls. They are a knit-tit community, and while they built underground cities, including reforming abandoned mines as living places, they eventually kept ...
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  • 857
16 votes
14 answers
4k views

How to Supply a City on top of a Vertical Cliff?

In my fantasy series, there’s this city called Pharcos situated on top of nearly vertical 3,500ish foot high sandstone cliffs above the river it uses for water. This river, called the Clazelis, along ...
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5 votes
2 answers
330 views

Where are villages usually placed?

Do villages always live next to or near mountains? I live in a country where villages are still around, however the only ones I know off are placed near mountains. My intention is to: Write a village ...
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  • 427
10 votes
8 answers
2k views

Can a civilization develop Urban Centers without Agriculture?

Say I wanted to create a civilization of people who, in accordance with a vow to never harm plants, refuse to practice agriculture or animal husbandry, instead relying hunting and fishing for all of ...
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29 votes
15 answers
4k views

How would mapmakers deal with moving cities?

Imagine a city on treads; if you've seen or read Mortal Engines, imagine that instead. beep beep losers here I come They're constantly moving, and have decent populations. Don't worry about how it ...
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5 votes
3 answers
354 views

How could a tobacco/nicotine prohibition be efficient?

In The Dictatress and the Navigator (a live-action feature film I am writing, I want to direct myself, and I would like to play some characters within it) (I want to play both the Dictatress and the ...
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0 votes
1 answer
112 views

On the best arch types for underground cities [closed]

I am working on a civilization that often digs into mountains, and I am wondering what form of arch would work best to hold up all the mass from the mountain above the halls. I know many arch types ...
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  • 734
11 votes
10 answers
4k views

Is it possible for a facility, building, or an area/city in a nation to be out of the grasp of the government?

I'm trying to make a place that is a part of a nation but not under its government's rule, specifically a mental institution. It has dark secrets within its walls. I want to write a mystery story ...
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  • 427
3 votes
1 answer
113 views

What geometry would an artificial sun take in a domed city?

My alien world has advanced to living in domed cities powered mostly by wind. They need to emulate a diurnal sunlight cycle and get the maximum full-visible-spectrum sunlight to the largest portion of ...
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  • 5,864
5 votes
2 answers
141 views

How would winged mounts affect the architecture and layout of cities? [duplicate]

So, the setting I am building for a story has gryphons, which are used as the primary mounts by the people of the main country. I am trying to figure out the implications of this, and how it would ...
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6 votes
1 answer
163 views

How many years until cities become either a flatland or forests? [closed]

To be clear, I'm talking about apocalyptic events that cause devastating long-term effects, such as: An asteroid impact (lets say about 4.5km wide) A hyper-eruption from a super volcano (lets say it ...
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2 votes
4 answers
174 views

How would an entire static city that floats on the water be designed? [duplicate]

I'm writing a sci-fi story which includes what I'm naming "buoyant cities". They're cities that can house about 150,000 people, with fully functioning electricity, plumbing, waste management,...
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  • 23
0 votes
2 answers
114 views

What would need to change to make living comfortable in a world with limited cars?

My world is a futuristic soft sci fi with humans but not set on Earth (though planet is earthlike). In it, the world has been ravaged by a monster driven apocalypse multiple times. It has been 400 ...
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  • 918
8 votes
7 answers
3k views

Could this city stand?

The Divine City is a truly massive piece of architecture in the shape of a cube It is over 2000km on each edge, and has 4 sturdy walls, a thick base, and a light roof It is densely populated, with ...
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  • 11.7k
6 votes
1 answer
256 views

Are hexagonal based tiling cities still possible?

I’m glad I could find some other people on the internet that have these kind of ideas as well. I am also in no way qualified within the field of civil engineering just interested in this specific ...
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  • 71
6 votes
4 answers
1k views

What would a post-apocalyptic underground city be like after 1,000 years?

The city is modern/futuristic and is fairly large. It was designed to be self-contained, and has been sealed shut for a thousand years. All human residents died, so there has been no maintenance. ...
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3 votes
5 answers
189 views

What roles would the hierachy of a private army play in defending a town's sovereignty?

I have a town where a small private army of about 100 men (breakdown below) looks after its defense and is consulted on any major decisions concerning the town by other local groups that reside in the ...
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  • 522
3 votes
4 answers
332 views

How realistic would a city of over ten million people in an area of less than 100 square kilometres be?

I have been playing Cyberpunk 2077 on my PS4 and Night City in the game has almost 7 million people and an area of just 75 km2. It is very dense with suspended streets and highways and giant buildings ...
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11 votes
10 answers
3k views

How can a massive walled city be viable?

I'm working on a small story, and in it I'm wanting to include a city surrounded by multiple layers of walls. The walls themselves are colossal, but were created/held up by sorcery. I would go into ...
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  • 353
2 votes
2 answers
86 views

Transit for an advanced aquatic species?

I'm designing an aquatic, fish-like species for a sci-fi setting and I've had trouble deciding on methods of transit, particularly mass transit, that would be viable for them. I've considered a few ...
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27 votes
22 answers
5k views

What would cause city walls to return?

Essentially, what would, in a modern (21st century) society, cause city walls to return? I don't necessarily mean stone walls; steel, titanium, and aluminum walls are perfectly acceptable. This ...
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15 votes
16 answers
4k views

Why would a more technologically advanced society continue to build many buildings out of stone rather than glass and metal?

Architecture in the Western world used stone as the primary building material until the late 19th century. Modern architecture uses much more glass and metal in construction compared to the ...
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  • 4,100
3 votes
3 answers
600 views

How do I design a city to be habitable under a constant barrage of low-yield nukes?

In this setting, international treaties restrict the yield of legally usable nuclear weapons to under the equivalent of 1,000 metric tons of TNT (one kiloton). If an entity detonates nuclear warheads ...
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  • 9,606
9 votes
4 answers
1k views

How big would a city of crops need to be to minimise all agricultural land use?

I made these sketches to envision a world where food is grown in buildings and people can live in forests covered lands instead of the land being used for agriculture. But how big would such a city ...
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6 votes
3 answers
445 views

How long does it take for town, villages and cities to be built in a medieval setting?

Basically I just want to know for timeline reasons. I'm setting up the timeline for a young kingdom, and I want to know what would be a realistic time period between the moment the settlers find a ...
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2 votes
4 answers
447 views

Equipment, logistics and resupply of a team detecting hidden explosives in a warzone area?

I have a team (size can vary depending the answer to this question) that makes ends meet by sneaking through a warzone area and trying to detect a large amount of explosives hidden in for example a ...
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  • 522
1 vote
1 answer
121 views

What population size is reasonable for a moving, steam powered, predatory city?

For a DnD campaign, I'm designing a setting with steampunkish tech level, as well as magic used to explain tech accomplishments not possible with real world physics. Almost all settlements in this ...
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  • 13
5 votes
2 answers
125 views

Urban and suburban architecture on a perpetually stormy planet

In a setting I'm working on, a raised megacity the size of Switzerland (roughly 300,000 square kilometres) serves as the last refuge of humanity on a planet entirely covered by a global ocean. An ...
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2 votes
2 answers
156 views

How would an underwater city be structured? [closed]

Let's say there is an underwater civilization of merpeople. They were able to develop medieval technology (approximately, since an underwater civilization would develop differently than an above water ...
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  • 787
4 votes
2 answers
156 views

What issues could multiple lanes of travel in the air pose in a city?

In the world I am working on, society is made up of multiple species of equally intelligent/sapient humanoid insects that operate extremely similar to humans. Cities contain many different species of ...
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4 votes
3 answers
198 views

A city under supernatural siege: sounding a proper alarm

This is in effect a continuation the "using dead bodies materials for food/construction/etc" series. The world is suffering from the creatures of fantasy and nightmares which can appear with ...
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  • 39.4k
3 votes
4 answers
237 views

Suburban areas for megacities?

Lately I have been looking into the concept of megalopolises across several works of fiction and futurology, and I have also been wondering wether or not it would make sense for such urban sprawls to ...
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1 vote
2 answers
83 views

Could useful quantities of materials be extracted from sewage?

"Useful quantities" is relative to whatever's being extracted. You also can't destroy the water the materials are being extracted from. It has to be economical compared to the conventional ...
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  • 2,864
3 votes
6 answers
209 views

How does one evade a highly determined vampire-sasquatch in an abandoned city?

A Sasquatch-vampire is a rather formidable entity, whose physical characteristics I will list all of in case one is relevant to the question: there is nothing supernatural about them they vary from ...
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  • 9,606
9 votes
7 answers
3k views

How can a male klepton species sustain a settlement without kidnapping women?

The male klepton is a unique humanoid. It has no females, and reproduces by mating with other humanoid females, who bear children that are clones of the klepton father. No females are born, and all ...
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  • 11.7k
4 votes
1 answer
437 views

Using dead bodies for material 4: ammunition

The world is suffering from the creatures of fantasy and nightmares which can appear with just a few minutes of warning anywhere, regardless of it being the middle of the street or on top of your bed ...
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  • 39.4k
5 votes
3 answers
256 views

Using dead bodies for material 3: fuel

The world is suffering from the creatures of fantasy and nightmares which can appear with just a few minutes of warning anywhere, regardless of it being the middle of the street or on top of your bed ...
user avatar
  • 39.4k
4 votes
2 answers
176 views

Using bodies for materials 2: construction materials

The world is suffering from the creatures of fantasy and nightmares which can appear with just a few minutes of warning anywhere. It can be a single one, or millions that swarm the area. The world's ...
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  • 39.4k
0 votes
1 answer
249 views

Using bodies for materials 1: food

My question is different than this question: How can I feed an entire population on corpses?. My question asks for creature bodies to be used as food sources and material rather than human bodies, ...
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  • 39.4k
0 votes
1 answer
123 views

Surviving in a city under constant threat 1: minimum requirements for survival and maintenance

The fluff: A new energy source is invented using the energy of the void and it takes the world by storm. By the time they realise it creates connections to other dimensions it is too late, and ...
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  • 39.4k
20 votes
25 answers
6k views

A city is only reachable by teleporting into it - what's preventing a coordinated attack?

A city was built in a location that's generally difficult to access (floating in the sky, on a remote island, on top of a mountain or something similar). The primary way of accessing it is by ...
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  • 321
4 votes
11 answers
918 views

Why would cities become layered without overpopulation?

Why would cities become layered without overpopulation? When I say layered I mean having a second or third ground built above ground level. With its own metros & roads. Most of the buildings below ...
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  • 2,864
3 votes
5 answers
210 views

What method of waste disposal would be the most practical for merfolk?

While worldbuilding my merfolk society I've been thinking about what method of waste disposal they would use. I've come up with a few ones that I will describe, and ask how practical they are, and if ...
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0 votes
2 answers
281 views

Would Armoured Trains be effective in a city with a extremely well developed rail network?

Would Armoured Trains be effective for direct combat in a city with a extremely well developed rail network? This city has a rail a mostly above ground network built around the concept that there ...
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