Provide +5% bonus corresponding yield of each District on or adjacent to Lake/Coast, and Districts next to a River (except City Center).
Land units can cross without embarking. Works like a modern road and creates roads (if not present) in the land tiles on either ends.

Must be built on a Coast tile. The bridge must run straight across the hex between two land tiles directly opposite one another. At least one water tile must be present on both the left and right sides of the bridge.

+2 Tourism
+1 extra per Era that you've advanced past this Wonder's era

"建设的政治家，和成就的战士，只是受权力的本能影响，被爱国之心所感动。那些是感情，那些是形成帝国的方法。" - 本杰明-迪斯雷利