Board Thread:Speculation House/@comment-71.17.68.254-20130907025506/@comment-26018514-20150412234902

The Devil&#039;s Advocate WP wrote: Except the lighter and darker areas neatly correlate to areas that are population centers and areas that have little or no discernible activity repesectively. The further you move away from population centers, the darker it gets. Only exceptions are areas not suitable for life such as deserts or tundras.

Grimm population data would look like that...