Ukrainians ring the bells in a bell tower at the church in the thousand-year-old Monastery of Caves, the holiest site of Eastern Orthodox Christians, against the background of the Dnipro River, in Kiev, Ukraine, Friday, July 25, 2008. Ukraine is celebrating, marking the 1020th anniversary of this region's conversion to Christianity. (AP Photo/Efrem Lukatsky)

Ukrainian Orthodox priests walks near a large bell during celebrations marking the 1020th anniversary of this region's conversion to Christianity in Kiev, Ukraine, Friday, July 25, 2008. (AP Photo/Sergei Chuzavkov)