I was wondering how to do it?

anyone??

can anyone help?

Well, there are probably some tutorials online but, if I were you, I would download one of the civs people have made and look at what they added.

Roger Bacon

Link 1 (http://forums.civfanatics.com/showthread.php?t=144425)

. . . . Ok I know I found another one in here. I just can't find it right now.

check the tutorial section for these things