This is just a place to observe some urban development, big money & social patterns.
Also, various technological things in science & fiction.
Cities have evolved for various reasons throughout history. Business & commerce, culture & prestige, etc. Sometimes geography & politics will limit the course of development that a city will take. Thus, some cities are stunted while others become a metropolis. Large urban centers become magnets for people & business in general. In many cases, tall buildings & other things can be a corporate or cultural symbol. City planning & Suburban planning takes many shapes & forms. Urban_renewal doesn't always go well, but sometimes it does. The_Death_and_Life_of_Great_American_Cities & cities all over the world are in a constant state of flux. Its just that some cities & larger urban areas grow or evolve at various rates. Dubai in the 1960s showed no signs of having NYC, Chicago & Hong_Kong...
http://moneytowers.blogspot.ca/2009/08/index-page.html
A lot of towers are built for a sense of prestige & artistic merit, but usually its just for financial gain.
http://jfmoneymatters.blogspot.ca/2008/07/jf-investor-confidence-index.html
