According to one of many legends about King Arthur and his knights, one of their most aim was to find a Holy Graal, mysterious plate, dish or cup, from which Jesus Christ drank at the Last Supper and in which Joseph of Arimathea collected the blood from the wounds of the Savior crucified on the cross.
Knights of round table, against the king Arthur wish, vowed to find Graal and gave up their duties.
But most of the knights were unsuccessful for their sins, and Round Table was scattered, so the kingdom became weakened by the neglect of ordinary duties in the search of something, that couldn't be gained by a mortal men.
It is believed that Joseph of Arimathea gave the Graal to the King's Arthur storage. According to one legend, King Arthur was buried with the cup on the magical Island of Avalon. Many researchers of King Arthur's time tried to find not a magical but a real island. One of the possible burial sites was called the island of Glastonbury.

At the end of the 12 century, the legend of King Arthur's grave in Glastonbury Abbey was confirmed. In 1184, there was a big fire on the territory of the abbey that destroyed the building almost to the ground. Later, in 1190, during the reconstruction, at a depth of three meters a hollow chamber was discovered by monks . Once opened,in the tomb were found two shrines with the bodies of woman and man.Accordng to inspection, the male skeleton was two meters twenty-five centimeters and there were found fair hair on female skeleton . The discovery was announced as a burial of Arthur and Guinevere, their bodies were solemnly reburied in the burial place of a huge cross. At the end of the twentieth century, British archaeologists who came to the burial place of King Arthur, had an autopsy to determine the graves of the individual bodies. Skeletons of Guinevere and Arthur were sent for a medical examination, which confirmed that they belong to the time of King's life. The mystery of Avalon has been disclosed, but in spite of careful excavation and studies well druids, the Graal was not found.
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