Canadian Beauty
Private
Why not make a new Great Building thats 4 x 4 I would say and call it tower of sauron (from the lord of the rings movie) and what you would get from it is everything you get from all the other Great Building all In one, coins/medals/happiness/population/forge points/attack/defense/Market coins/Market gemstones and put the new Great Building in your New Space Era that you are working on.