There wasn't any fog to talk of, I distinctly remember that the screen showed the terrain way, way off into the distance.
But my God It was gorgeous
I sat and drooled for the full hour
Can't wait for the game to be released...

Hopefully they'll improve the AI from its performance there, it didn't seem to do anything more than walk forward.
Also I was under the impression that Elephants were very effective in historical terms and as the Romans weren't equipped with fiery pigs in that battle of course the elephants did well