Culture 

The need to build culture is ongoing so as you progress through the knowledge tree so will the culture buildings, The old building that you have got will no longer be good enough, Keep replacing them as and when you can, The thing you are looking for is to get the most culture per world grid space. check the list below for buildings and there value per grid space.

The first 5 chapters are specific to Human Or Elves

NOTE i have not included any paid for items (diamond purchases)

Note In later chapters you may sacrifice Culture per square for greater amount of Mana per square