TO GO WITH AFP STORY BY JEAN MARC MOJON A teacher explains a lesson to students on October 26, 2015 at the Mariamana school in the multi-ethnic northern Iraqi city of Kirkuk where Kurdish, Arab and Turkmen children sit in the same classrooms and Islamic and Christian education textbooks are stacked on the same tables. The Mariamana school, established in 2012 by then Chaldean patriarch Louis Sako, is a rarity in a country whose unique cultural, religious and ethnic mosaic is threatened by conflict and sectarianism AFP PHOTO/ AHMAD AL-RUBAYE (Photo credit should read AHMAD AL-RUBAYE/AFP/Getty Images)
