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  1. en.wikipedia.org › wiki › CityCity - Wikipedia

    A city is a human settlement of a notable size. The term "city" has different meanings around the world and in some places the settlement can be very small. Even where the term is limited to larger settlements, there is no universally agreed definition of the lower boundary for their size. [1] [2] In a more narrow sense, a city can be defined ...

    • Lists of Cities

      List of city name changes; List of largest cities throughout...

  2. 5 days ago · city, relatively permanent and highly organized centre of population, of greater size or importance than a town or village. The name city is given to certain urban communities by virtue of some legal or conventional distinction that can vary between regions or nations. In most cases, however, the concept of city refers to a particular type of ...

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    • Definition
    • Size of Cities
    • Urban History
    • Features
    • United States Politics
    • World's Largest Cities
    • Gallery of Cities

    No rule is used worldwide to decide why some places are called "city," and other places are called "town." Some things that make a city are : 1. A long history. Although many cities today have only been around for tens or hundreds of years, there are a few which have been so for thousands of years. For example, Athens, Greece was founded in 1000 BC...

    The sizes of cities can be very different. This depends on the type of city. Cities built hundreds of years ago and which have not changed much are much smaller than modern cities. There are two main reasons. One reason is that old cities often have a city wall, and most of the city is inside it. Another important reason is that the streets in old ...

    Urban history is history of civilization. The first cities were made in ancient times, as soon as people began to create civilizations. The oldest city on Earth is probably Catal Huyuk, which existed from 7500 to 6500BC. Famous ancient cities which fell to ruins included Babylon, Troy, Mycenae and Mohenjo-daro. Benares in northern India is one amon...

    Infrastructure

    People in a city live close together, so they cannot grow all their own food or gather their own water or energy. People also create waste and need a place to put it. Modern cities have infrastructure to solve these problems. Pipes carry running water, and power lines carry electricity. Sewers take away the dirty water and human waste (see Bazelguette). Most cities collect garbageto take it to a landfill, burn it, or recycle it. Transport is any way of getting from one place to another. Citie...

    Buildings and design

    Houses and apartments are common places to live in cities. Great numbers of people in developing countries (and developed countries, in the past) live in slums. A slum is poorly built housing, without clean water, where people live very close together. Buildings are usually taller in the city center, and some cities have skyscrapers. City streets can be shaped like a grid, or as a "wheel and spokes": a set of rings and lines coming out from the center. Streets in some older cities like London...

    Cities in the US are usually very-left leaning. The best examples of these would be New York, New York, and Washington, D.C.For example, in Louisiana, the only Democratic delegate in US Congress who is a Democrat was elected from a district comprising in New Orleans. Below is a list of states and the major city/cities that provide much of the liber...

    These cities have more than 10 million people and can be called megacities: 1. Tokyo, Japan- 37 million 2. Delhi, India- 29 million 3. Shanghai, China- 26 million 4. São Paulo, Brazil- 22 million 5. Mexico City, Mexico- 22 million 6. Cairo, Egypt- 20 million 7. Mumbai, India - 20 million 8. Beijing, China - 20 million 9. Dhaka, Bangladesh- 20 milli...

  4. New York, often called New York City [b] or simply NYC, is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each of which is coextensive with a respective county. It is a global city and a cultural, financial, [10] high ...

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  5. en.wikipedia.org › wiki › Smart_citySmart city - Wikipedia

    t. e. A smart city is a technologically modern urban area that uses different types of electronic methods and sensors to collect specific data. Information gained from that data is used to manage assets, resources and services efficiently; in return, that data is used to improve operations across the city. [1]

  6. en.wikipedia.org › wiki › Global_cityGlobal city - Wikipedia

    A global city, also known as a power city, world city, alpha city, or world center, is a city that serves as a primary node in the global economic network. The concept originates from geography and urban studies, based on the thesis that globalization has created a hierarchy of strategic geographic locations with varying degrees of influence ...

  7. en.wikipedia.org › wiki › City-stateCity-state - Wikipedia

    A city-state is an independent sovereign city which serves as the center of political, economic, and cultural life over its contiguous territory. They have existed in many parts of the world since the dawn of history, including cities such as Rome, Carthage, Athens and Sparta and the Italian city-states during the Middle Ages and Renaissance, such as Florence, Venice, Genoa and Milan.

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