Trade routes to Netherlands cities provide +1 loyalty/turn for the starting city. Foreign trade routes to and from your city provide +1 culture to you.
Major adjacency bonuses for Industrial zones, campuses, and Theater Square zones next to a river. Adjacent tiles get Culture Bombed when completing the Harbor. +50% production toward the Dam district & flood barrier.
Unique renaissance era unit. Replaces the frigate. +7 combat strength when attacking defensible districts.
Unique building. +1 food, +1 production, and +0.5 housing. +1 food if adjacent to a Polder. Additional production, gold, and food as you advance through the civics/tech trees. Must be built on a coast or lake tile adjacent to3 or more passable land tiles. Increases movement cost to 3.