AnaEnglishQuestions?Upgrade Strategy Building?

Upgrade Strategy Building?
20/09/15 21:41
Hello,

I would like to know what's the use of upgrading the Strategy Building. So far, in my opinion, my level 4 building didn't bring any diferences from the previous levels.

20/09/15 21:41 tarihinde.
21/09/15 12:07
There is no bonus for now, it will be added later.
21/09/15 12:07 tarihinde.