Now in some minutes we will use a displace filter, so we need a map for this filter. We will make a map out of the shape we've done in the beginning.

First create a Hue/Saturation layer bringing the saturation to 0.



Then, already, on grayscale correct those tone definitions sing Levels or Curves.



Save the image as MAP1.(grayscale)



Switch to our Dot layer. We have All the layers turned on here.

Go Filters > Distort > Displace.



Here are displacing Filter settings.



And choose our MAP1.PSD as a displacement map.



And here you can see the effect.



Change the layer Blending settings and the fill settings too.



Now i suggest you to transform and warp the layers. Oh we have only lest. I've merged all the layers.



Now paste some text, for the population.











And we are done here. Hope you've enjoyed this one. I also hope you learned something useful about colors and shapes and that you will able to use these effects in your work.