Fortress Guedelon (Long-term Documentary), France, 2005 (32)Owner Reinhard Kungel Typ Video Id RKL006396experimenttourist destinationMiddle AgesYonneFranceGuédelon CastleBourgogne-Franche-ComtéTreignyHigh Middle Agescolorcastletourist attractionexperimental archaeologylong-term experiment13th century