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In the last three decades, cities were the world’s problem. In most developed economies like the United States, people moved from the urban centers to suburbs to escape crime, crowding, collapsing infrastructures and pollution. In developing nations, poor people living in the vast urban slums are plagued by the worst problems of the society. A short period like a decade can make a significant difference in almost everything. In the current world, the best cities in the world are dynamic and exciting…
(1200 words)