User blog comment:Narcoblix/Survival 303: Civilizations/@comment-25812005-20130929224758/@comment-25812005-20130930133539

I thought about it, and I noticed Palisade Walls and such go better with the coloring of the sand. Stone looked too weird, and since there are no Sandstone Gates, Towers, or Walls, I made do with Palisade.