Underground cities have been the stuff of legend since the 19th century.
In the 1920s, the American writer and philosopher William Morris described a place where, in a few short months, “the people who live in this place are as far removed from civilization as are the people of London.”
In the 1930s, French writer Henri Bergson coined the phrase “vacant suburbs,” which is how we usually think of a city with a population of fewer than a few thousand.
The term has been around for decades, but its roots are firmly in urban legends, and in this article, we’ll look at the various ways in which underground cities can make us feel like we’re in a different world.
We can’t get away.
The “doomed suburbs” of the 20th century saw a rapid rise in the number of people moving into cities, and this trend continued in the 1980s, when the number soared again and millions more people moved into the U.S. It’s hard to pinpoint a particular cause of the boom, but one thing that was sure was that the number and density of new residents skyrocketed.
In some ways, it was inevitable, as more people needed to live in cities, with more people needing to live within walking distance.
In other ways, though, it seemed a little strange.
While we can generally count on our own cities to be populated by people who look, talk, and behave like us, a city like Chicago can be quite different.
The city is largely made up of small, sparsely populated neighborhoods.
The population density of the city is just below 1,000 people per square mile.
There are some small pockets of people who make it into the cities and vice versa.
Some neighborhoods are so small that they’re home to only a few hundred people.
In fact, according to the U-Haul Census, Chicago is home to just 13.8 percent of the country’s population.
That means that Chicago has the largest population density in the country, but only 8.6 percent of its population is actually in the city.
To get a sense of how dense the city really is, look at how many people live in Chicago compared to the other 100 largest U.P. cities.
In most of those cities, the city’s population density is between 30 and 50 percent higher than in the rest of the U: in Atlanta, for example, the population density sits at about 110 percent higher.
And in many of those larger cities, like San Francisco and Los Angeles, the average density of residents is even higher: San Francisco is at nearly 140 percent higher density, for instance.
But Chicago has some major differences.
The average population density for the city of Chicago is more than double that of most U.s. cities, which makes sense when you think about the demographics.
Chicago is a large city.
Its population is over 600,000, and the city has more than 8 million residents.
It also has more people who are over the age of 65 than in most U-P.
If you add those up, Chicago has more residents over the entire age range than anywhere else in the U, including New York City, Washington, D.C., and Los Vegas.
The fact that Chicago is the most densely populated city in the nation is especially telling when you consider how much of the population lives in these smaller pockets of the metropolis.
Chicago has about 15,000 fewer people than the city average, and nearly half of the people in the Chicago area live below the poverty line.
Many people in Chicago live in neighborhoods that are so tightly packed together that even a small amount of movement can make a big difference.
The area where I live is so densely packed that it’s hard for me to drive without feeling claustrophobic.
And even if I can get around by car, the fact that so many people are crammed together in one spot makes it impossible for me, or my family, to walk anywhere outside the limits of the neighborhood.
For these reasons, I’m not surprised that the city in general feels isolated.
For the most part, Chicagoans don’t want to leave.
According to the Pew Research Center, only one in 10 residents of Chicago said they wanted to leave their home for a better life.
That number is down from about a quarter in the early 1990s, but that’s a significant change when you look at just how densely populated Chicago is.
There were more than 1.4 million people living in the entire city, and even more in the suburbs.
That’s a lot of people, but it’s also a lot more people than anywhere in the United States.
Chicago also has a long history of poor housing.
The median household income in Chicago was just $50,979 in 2009, and that’s nearly a quarter of the national median.
The same was true for all of the states in the Midwest: about 60 percent of households had incomes of less than $30,000