Building of the Ancient Era The unique building of the Mongolian civilization(replaces Stable) Production Cost TBA File:Civ6Production.png Faith Cost File:Civ6Faith.png Gold Cost File:Civ6Gold.png Maintenance TBA File:Civ6Gold.png Technology Image:Horseback Riding (Civ6).png Horseback Riding District Image:Encampment (Civ6).png Encampment Required infrastructure Effect +25% combat experience for all light and heavy cavalry units trained in this city.