National Wonder. Can only be built once in your empire. To unlock: Maintain 8 Trade Routes. Must be built on land tile adjacent to a Corporation.
+20% Gold to city with a Corporation. Corporations provide +200% Tourism in Cities with a Exhibition Center.Products provide double yields in Cities with a Exhibition Center.Products provide +50% Tourism in Cities with a Exhibition Center and without a Canal district. Great People patronage cost -50% Gold.
+2 Tourism
+1 extra per Era that you've advanced past this Wonder's era