For hundreds of years the secrets of the tower were concealed. Until now... In 1179, King Louis VII of France came to Canterbury to visit the shrine of St Thomas Becket. He brought a fabulous gift with him: A magnificent, blood-red ruby. For hundreds of years, the R gale de France held pride of place at Becket's tomb in the cathedral. Richard the Lionheart, Chaucer, Henry V and Richard III all admired the jewel...