Medieval Era production-boosting building. * Common traits: * +10% Image:20xProduction5.png Production in this city * +2 Image:20xProduction5.png Production * 1 Engineer Specialist slot * Allows Image:20xProduction5.png Production to be moved from this city along trade routes inside your civilization. (File:BNW-only.png) * +1 Image:20xHappiness5.png Happiness with Young Pioneers Order tenet