Let them build whatever building they want. Does it really matter? If the building operates by a percentage increase of the regional baseline, then building a sawmill in a region with no trees wouldn't suddenly make the region produce craptons of wood. It would just 130% of 0.
+1
Logged
“The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.”
― G.K. Chesterton
