Well I don't know about this Tribe system but I do agree we need more points of interest between the major cities. Even simple places like the ruins add some interest. I would definitley like to see some more objects and etc. placed around out in the wilderness. I do agree that certain places should be to dangerous for anything. However, to give it a more interesting feel they could add different terrians, exotic plants, pits, and etc. In the less dangerous places you could add places like the ruins or perhaps even buried civilizations and etc. Hopefully down the road it will be much more dangerous and exciting out there.