In its prime, Cahokia was a prosperous city with a population similar to London’s. But this sprawling Native American metropolis from the Mississippian culture vanished long before Europeans arrived in North America. What happened? This Indigenous city’s enigmatic rise and fall has inspired countless theories and has long captivated the imaginations of archaeologists. And now, cutting-edge scientific research offers a glimmer of hope in unraveling the mystery of Cahokia's disappearance.  

I guess the size isn't really that bad. The main issue is how similar it is to the arsenal. Buildings are meant to be quickly recognizable. If you want to go ahead and try, I think these are the files you need:  

Everything that has to do with the Germans is here. This is the last but you have to be very patient. There is a lot of information. We want an alternative to the current market.  

I will give you the links. You can open a new topic for each different work unless it is a set or group. Most of these are minor things someone will use them and they will end up in the game. These have low priority. That's why it might be easy for you. You should check out the latest stuff here, there are some very old things there. This one is easy to model but difficult to give it a good texture. It would be good to open a new topic for the market and I should look for the link so you can see the concepts and what has already been done.

It's all right I just don't know yet who I should write to and show it to, so I'm writing to you. Thanks for topics, I'll take a look and think about what I can do.    

@Kiselena If you get bored you can take a look at these topics, if you want to do more ask me. The Eyecandy topic. Special buildings  And Roman Consular Helmet The last 2 are more difficult. The other thing they asked you for was a germanic market, but nobody knows how to solve it. These are the options you have.

Here is a tutorial.