city resource symboles

[zooter]

If a city has a gun foundry in it, are cannons built quicker there?
Are horses req from a city with a horse symbol higher quality?

[veji1]

If a city has a gun foundry in it, are cannons built quicker there?
Are horses req from a city with a horse symbol higher quality?

If you ctrl click on the city icon on the map, the list of builds inside the city appears and it will show you all the things it gives you every month.