Overview: For centuries, visitors to the Church of the Holy Seplulchre in Jerusalem believed that they stood within what was merely a symbolic representation of Jesus' burial place. But what if the edicule within the church, an ancient crumbling structure, really does house Christ's actual tomb? Oxford archaeologists Martin and Birthe Biddle reconstruct Jesus' final day and trace the history of the various incarnations of the edicule -- looking for evidence that there is a tomb present, and trying to decipher whether or not Christ actually lay there. (UK/PBS 55 min)