Turkish riot police get some early practice ... inside the Hagia Sophia

Turkish protesters chant Islamic slogans during an anti-Pope demonstration at the Hagia Sophia museum in Istanbul, Turkey, Wednesday, Nov. 22, 2006. Turkish police detained about 40 members of a nationalist party who occupied the Haghia Sophia, a 6th century Byzantine monument, to protest the visit next week of Pope Benedict XVI. The protesters belonged to the Great Unity Party, a far right-wing group that has previously staged demonstrations against the planned visit. The Haghia Sophia is on the pope's list of stops during his Nov. 28-Dec. 1 trip to Turkey. The Pope is making his first trip to a Muslim nation at a time of heightened tensions between the West and Islam. (AP Photo)

I believe the single finger held in the air means something along the lines of "Allah is great, Allah is one." I'm sure one of my better-informed readers can tell me if I'm mistaken on that.