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  Damascus is found to be the oldest city which still exists today.
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  Jericho is the oldest city which had walls and is know as Palestine today.
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  Athens is the birthplace for western cities.
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  Varanasi is the oldest ancient city created.
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  By the 19th century all kinds of people lived in cities such as servants and people who work in factories.
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  Current cities are cities we live in at the moment although the cities we live in are beautiful most of them are polluted.
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  Some futuristic cities could be floating on the water, in the sky, or underground.
