Donkeys, Fortress Guedelon (Long-term Documentary), France, 2009 (05)Owner Reinhard Kungel Typ Video Id RKL006459experimenttourist destinationMiddle AgesYonneFranceGuédelon CastleBourgogne-Franche-ComtéTreigny2009High Middle Agescolorcastletourist attractionexperimental archaeologylong-term experiment13th century