Patches of white
A clean house on the outskirts of the city (take 3)

 
The plain outward facing sides of these houses are chosen to be white, with an edge of brickwork as decoration. This side though is facing wind and rain all year long so probably it will not stay clean for long.

 
 
 
 
This is a variation on one of the photos in Prefab house (Photos 2020-2).

Artificial coloring and Improved reality® by Billy Axeman.