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Associated Press
Faithful sing and wave flags as they wait to see Pope Francis visiting Haghia Sofia, the Byzantine church-turned-mosque that is now a museum, in Istanbul, Saturday, Nov. 29, 2014. Pope Francis visits two of Turkey's most iconic sites and shifts gears toward more religious affairs as he arrives in Istanbul for the second leg of his three-day visit to the Muslim nation. (AP Photo/Markus Schreiber)

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