Building of the Renaissance Era Production Cost 265 File:Civ6Production.png Faith Cost File:Civ6Faith.png Gold Cost File:Civ6Gold.png Maintenance 2 File:Civ6Gold.png Technology Image:Mass Production (Civ6).png Mass Production District Image:Harbor (Civ6).png Harbor Required infrastructure Effect +25% combat experience for all naval units trained in this city. Bonus File:Civ6Production.png Production equal to the adjacency File:Civ6Gold.png Gold bonus of its district. +1 File:Citizen6.png Citizen slot +1 Image:Admiral6.png Great Admiral point per turn