Building of the Renaissance Era Production Cost 305 File:Civ6Production.png Faith Cost File:Civ6Faith.png Gold Cost File:Civ6Gold.png Maintenance 0 File:Civ6Gold.png Technology Image:Siege Tactics (Civ6).png Siege Tactics District Image:City Center (Civ6).png City Center Required infrastructure Effect +50 Outer Defense Strength Renaissance Walls are an advanced defensive structure of the Renaissance Era in Civilization VI. They are built in the City Center and require Medieval Walls.