A construction worker pauses at an opening in large photo mural covering a building project in Jerusalem that shows the Old City walls and the Dome of the Rock in the Old City of the Holy City, on 26 April 2009. Photo by Kobi Gideon / FLASH90

A view from the Mount of Olives on 26 April 2009 shows ultra-Orthodox Jews at a grave in the Jewish cemetery on the Mount of Olives looking towards the walls of the Old City of Jerusalem and its distinctive golden Dome of the Rock, one of the Islamic world's holiest shrines, where Mohammed is said to have descended to heaven. Pope Benedict XVI is to hold a mass in the valley below the Old City walls near Gethseme, far right, during his May visit Photo by Kobi Gideon / FLASH90