Teams of researchers have discovered a lost crusader altar in the Church of the Holy Sepulchre, supposedly built on the site of Jesus's crucifixion in the Christian Quarter of the Old City of Jerusalem.In a rear corridor of the church a stone slab daubed in graffiti weighing several tons had been leaning against a wall for an unknown period of time.However, after it was turned around, it was found to be decorated beautiful ribbon ornaments which enabled its identification as the former front panel of the medieval Crusader altar, consecrated in 1149 and which seemed to have been lost after...