Roof, Fortress Guedelon (Long-term Documentary), France, 2005 (13)Owner Reinhard Kungel Typ Video Id RKL006399experimenttourist destinationMiddle AgesYonneFranceGuédelon CastleBourgogne-Franche-ComtéTreignyHigh Middle Agescolorcastletourist attractionexperimental archaeologylong-term experiment13th century