The album documents the life and adventures of a character called Venus as she moves "from a small town to a big metropolis".
However outside big metropolises, vegetarianism is not very common in the country.
Chicago has all the advantages of a big, rich metropolis and a small town mentality.
Today, it remains by far its biggest metropolis, if you count that portion of the population which lives in Asia, because this city spans two continents.
"It's a chance to see the kind of entertainment you would see if you were in a big metropolis."
But organic matter from sewage is not the only contributor to an oxygen shortage in waters surrounding a big metropolis like New York.
These include some of the biggest metropolis, such as Mumbai, Kolkata and Hyderabad.
Conrad could only assume what he saw was part of a bigger metropolis.
Since Ota Ward is in the middle of a big metropolis, defunct factories quickly give way to office buildings or shops.
With a population of around 5 million, it's the most populous metropolitan area on the Mediterranean coast, and one of the biggest metropolises in Europe.