"Built-up area" redirects here. For use of the term in the United Kingdom Highway Code, see Built-up area (Highway Code). "Urban zone" redirects here. For other uses, see Urban zone (disambiguation). "Urban region" redirects here. For an area in Catalonia, Spain, see Āmbit metropolitā de Barcelona. "Urbanized area" redirects here. For use of the term in relation to the United States Census, see List of United States urban areas.
Greater Tokyo Area, the world's most populous urban area, with about 35 million people.
Urban areas with at least one million inhabitants in 2006. In 1800, 3% of the world's population lived in cities, a figure that had risen to 47% by the end of the twentieth century.
World map showing percent of population living in an urban environment. An urban area is characterized by higher population density and vast human features in comparison to areas surrounding it. Urban areas may be cities, towns or conurbations, but the term is not commonly extended to rural settlements such as villages and hamlets. Urban areas are created and further developed by the process of urbanization. Measuring the extent of an urban area helps in analyzing population density and urban sprawl, and in determining urban and rural populations. Unlike an urban area, a metropolitan area includes not only the urban area, but also satellite cities plus intervening rural land that is socio-economically connected to the urban core city, typically by employment ties through commuting, with the urban core city being the primary labor market. In fact, urbanized areas agglomerate and grow as the core population/economic activity center within a larger metropolitan area or envelope. In the US, Metropolitan areas tend to be defined using counties or county sized political units as building blocks of much larger, albeit more condensed population units. Counties tend to be stable political boundaries; economists prefer to work with economic and social statistics based on metropolitan areas. Urbanized areas are a more relevant statistic for determining per capita land usage and densities.
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Well, first and foremost I really love the image. It feels like a wormhole (despite the fact I have never been in one...)! I like the fact that there are various lines in the image and the high contrast just adds a great sense of movement! I understand the idea of having the lines guiding the way to "read" the photography, but I have just a simple observation...Did you have this image a little "rotated" on purpose? I mean, I understand the perspective, but did you intend the platform and the upper support of the lights to be slightly skewed? I'm just asking this because it gives a slight sense of "off-balance", "vertigo" kind of thing It's the only thing that I like "less" about this, the use of the technique is superb, I really love it