geographic choke points subject to the rise and fall of water levels.
I do, however, question the issue of why civs would drop randomly in light deficient areas to ultimately begin with. Resources are there too, sure, but can't they be reached after the fact that your population optimizes sun light for (vertical) farming conditions?
I do, however, question the issue of why civs would drop randomly in light deficient areas to ultimately begin with. Resources are there too, sure, but can't they be reached after the fact that your population optimizes sun light for (vertical) farming conditions?