Maps of City Growth Over the Past Century Are Actually Shocking

It's one thing to know that cities are growing larger, and that over half the human population lives in a city. But when you see these maps charting the growth of megacities since the early 1900s ... well, it's stunning. It's especially incredible when you realize most cities exploded in size over the past 50 years. » 10/07/14 11:46am 10/07/14 11:46am