One interesting aspect about our world is that it’s in constant development. Cities and townships that used to be nothing over 50 years ago, are now sprawling urban city centers with millions of people. Across the globe, new cities are springing up each year to combat overcrowding, with some advancing beyond their original intent to become some of the most technology advanced places in the world. Here are 15 cities that used to be nothing 50 years ago and have now become bustling havens.

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