The city view is not updated in C3C, they decided not to spend time and money in making all graphic changes for all scenerios (and in the end for the EPIC game neither).
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Rush finish:
I assume you are talking about the Great Leaders?
Short:
Militairy (traditional) great leaders can no longer rush Great Wonders (they are still able to rush both small wonders and city improvements though and army's of course)
In order to rush a Great Wonder, you need an SGL (Scientific Great Leader) which you can get every time you discovere a tech FIRST !!
There is more info in the C3C forum right here on this site.