World's Greatest, Mega Cities

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Cities of wealth, industry and innovation like London, Tokyo, Hong Kong and New York never sleep

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Mega Cities such as Shanghai and Delhi provide a home to populations that reach over 10 million.

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The heart of any nation, capital cities are often a hive of intellectual activity.

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Port cities bridge not only countries but continents as well and unite the global community.

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In ancient cities, religious and cultural centers have shaped the ways in which we view the world.

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The world's most remote cities serve as gateways to some of the wildest places on Earth.