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A Christian pilgrim holds a Polish national flag as others hold palm fronds during the traditional Palm Sunday procession on the Mount of Olives overlooking Jerusalem's old city, Sunday, March 24, 2013. Christians from around the world are commemorating Palm Sunday in Jerusalem, singing hymns and bearing palm fronds as they celebrate Jesus Christ's triumphant entry into the holy city over 2,000 years ago. (AP Photo/Sebastian Scheiner)