A Jewish man (2nd R) dressed as a U.K. royal guard prays at the Western Wall in the Old City of Jerusalem during the Purim holiday, on March 17, 2014. Purim, celebrated this year from sunset, March 15 to nightfall, March 16, and one day later in Jerusalem, is one of the most joyous and fun holidays on the Jewish calendar. It commemorates a time when the Jewish people living in Persia were saved from extermination. (Xinhua/Li Rui)