Rapid growth in several cities along the Pearl River Delta has made a Chinese megacity larger and more populous than any other urban area in the world.

Source: earthobservatory.nasa.gov

What was a rural landscape dominated by rice paddy fields just a few decades ago is now home to the largest Metropolitan region in the world (depending on who is counting and what areas they are including).  The “slider” comparison of these two satellite images taken of the same area in 1988 and 2014 is staggering (click here for an animated GIF of the same imagery).   

Tags: urbanremote sensing, megacities, China, urban ecology.