Wednesday, January 25, 2017

What is a metropolitan area?

Cities of the World
Cities are not a new development. As long ago as 3500 B.C., the ancient Sumerians built the world's first cities. Today only the remains of those cities can be found. Some ancient cities, however, are still alive with people and activity. Rome, in Italy, has grown from its ancient beginnings to a modern city with a population of about 2,800,000 people. The ruins of its early times stand side by side with its modern buildings. In North America, Mexico City is built over the ancient Aztec city of Tenochtitlan.

History does not run so deep in other cities. Brasilia, the capital of Brazil, is only about 50 years old. The sprawling city of Miami, Florida, was just a small settlement in 1895.

Today many cities have grown amazingly large. Japan, a very small country, has the world's largest city Tokyo. About 27 million people live and work in this city Other very large cities around the world include Buenos Aires (BWAY»nohs EYE*rays) in Argentina; Shanghai (shang*HY) in China; New York City, New York, and Los Angeles, California, in the United States; and Lagos (LAY*gahs) in Nigeria.
Many large cities have areas around them that have been developed as well. These areas where many people live are called suburbs. A city and its surrounding suburbs make up a metropolitan area.

A metropolitan area usually has at least 50,000 people.
Some metropolitan areas are so close to one another that they blend together. The term megalopolis (meh»guh»LAH»puh*luhs) describes a region where this has happened. One megalopolis stretches from Boston, Massachusetts, to Washington, D.C., on the east coast of the United States.

What is a metropolitan area?

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