A crucifix is seen hanging as Egyptians attend a candle vigil on December 17, 2016 outside the Saint Peter and Saint Paul Coptic Orthodox Church in Cairo. (KHALED DESOUKI/AFP/Getty Images)
Iraqi Christians attend a Christmas mass at the Catholic Church of Our Lady of Deliverance/Salvation (Sayidat al-Nejat), in central Baghdad, on December 25, 2015. (AHMAD AL-RUBAYE/AFP/Getty Images)
Iraqi Christians, who fled the violence in the northern Iraqi city of Mosul, pray during a Christmas mass in Arbil, the capital of the Kurdish autonomous region in northern Iraq on December 24, 2014. (SAFIN HAMED/AFP/Getty Images)