Improvement built by Tycoon or Military Engineers. Cannot be built Marsh, Swamp or Geothermal Fissure tiles. Only one may be built in each city, and may not be built adjacent to another Station. Railroads are instantly built on current and adjacent passable land tiles. Cost 2 Power.

Improvements of this City provided +50% Tourism. +50% Tourism to Products in this City if adjacent to Commercial Hub or Harbor districts.

Each type of adjacent Specialized districts or adjacent Cistern provide corresponding yield to International Trade Routes from this city. This bonus is doubled if this city is fully Powered.

+2 Production from each adjacent Aerodrome tile.
+2 Production from each adjacent Canal tile.
+2 Production from each adjacent Commercial Hub tile.
+2 Production from each adjacent Harbor tile.
+2 Production from each adjacent Industrial Zone tile.
+3 Production from each adjacent Mountain Tunnel tile.
+2 Culture from each adjacent wonder tile, requires Steel.
+2 Production from each adjacent Corporation tile.
+1 Production from each adjacent tile.
+1 Production from each adjacent Industry tile.
+1 Production from each adjacent wonder tile.