The Great Wall is a unique tile improvement of the Chinese civilization in Civilization VI. It can only be built in a line on the current border of your territory and cannot be built on top of resources. * Effects: * +4 File:Civ6StrengthIcon.png Defense for units on the tile * +1 File:Civ6Gold.png Gold for each adjacent Great Wall (with Masonry) * +1 File:Civ6Culture.png Culture for each adjacent Great Wall (with Castles)