Discovery Civilisation - The Holy Grail (2009)
The Holy Grail is a dish, plate, stone, or cup that is part of an important theme of Arthurian literature. A grail, wondrous but not explicitly "holy," first appears in Perceval le Gallois, an unfinished romance by Chrétien de Troyes:[1] it is a processional salver used to serve at a feast. Chrétien