City Center
Encampment
Campus
Holy Site
Entertainment Complex
Harbor
Commercial Hub
Theater Square
Industrial Zone
Cistern
Aerodrome
Water Park
Government Plaza
Neighborhood
Dam
Diplomatic Quarter
Canal
Species Diversity Conservation Agency
Description
+2 [ICON_GOLD] Gold and +2 [ICON_CULTURE] Culture for every type of improved Biological Resource within your empire. If you have every type of Biological Resource inside your empire, this bonus is quadrupled.
Can only be built once in a civilization.
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