I've been having trouble lately deciding how plateaus should be dealt with in Civ. In the pre-made maps, most notably with the Earth Map's Tibet, each tile is a hill surrounded mostly by mountains, as such:
However, this creates a problem: units attacking each other always have the 25%terrain deficit, which, as they are at the same altitude, is illogical. In addition, the plateaus are always very food-poor, due to the fact that they consist solely of hills and mountains. I've been experimenting with leveling out the insides and leaving hills only at the entrances, so you get the logical hill going into but not "within" the plateau itself:
However, this doesn't look very "plateau-y" at all. Does anyone have a solution which allows for both gameplay and aesthetics?

However, this creates a problem: units attacking each other always have the 25%terrain deficit, which, as they are at the same altitude, is illogical. In addition, the plateaus are always very food-poor, due to the fact that they consist solely of hills and mountains. I've been experimenting with leveling out the insides and leaving hills only at the entrances, so you get the logical hill going into but not "within" the plateau itself:

However, this doesn't look very "plateau-y" at all. Does anyone have a solution which allows for both gameplay and aesthetics?