Guests wait for the beginning of the opening ceremony of the 'King Abdullah Bin Abdulaziz International Center for Interreligious and Intercultural Dialogue' (KAICIID) as a picture of Pope Benedict XVI and King Abdullah is shown in Vienna November 26, 2012. The Saudi-backed centre for worldwide interfaith dialogue will officially open on Monday evening. REUTERS/Leonhard Foeger (AUSTRIA - Tags: POLITICS)