Since 1988, the population along China’s Pearl River Delta has grown by a whopping 32 million people. Now boasting a total population of 42 million, it’s the largest urban area on the planet. To put it into perspective, 42 million people is more than the population of Canada, Australia, or Argentina.
The cities of the future are massive, sprawling, beautiful monsters, covering entire coastlines — and in some cases, entire continents. Whether it's Judge Dredd's Mega-Cities or William Gibson's "Sprawl," future cities always devour land. Here's a map of future megalopolises.