Minor Annoyance
Deity
I'm playing as Assyria and I have a horseman unit that has a high altitude training promotion that give it +10 in hills and double movement in hills. I don't know how it got this. How did this happen?
Mt. Kilimanjaro gives that promotion to a unit that moves next to it. I think it has to be in your borders too.
That reminds me, one of the AI civs has a [pick a UU] but [UU civ] isn't even in my game....