Fortress Guedelon (Long-term Documentary), France, 2005 (27)Owner Reinhard Kungel Typ Video Id RKL006401experimenttourist destinationMiddle AgesYonneFranceGuédelon CastleBourgogne-Franche-ComtéTreignyHigh Middle Agescolorcastletourist attractionexperimental archaeologylong-term experiment13th century