Anyone here knowledgeable on Aztecan architecture? 
I am trying to create my first ever native American set, and i chose that civilization, mostly because there is a lot of concept art around.
This is what i currently have:
I am wondering if i should make a third similar ziggurat-type building for the metropolis, or go for something else. Also i am not sure what aztec walls look like. I found some pics but they were rather boring.

I am trying to create my first ever native American set, and i chose that civilization, mostly because there is a lot of concept art around.
This is what i currently have:

I am wondering if i should make a third similar ziggurat-type building for the metropolis, or go for something else. Also i am not sure what aztec walls look like. I found some pics but they were rather boring.