This file photo shows a chimney at an oilfield in Sheikhan, northeast of the city of Mosul in northern Iraq and near the Kurdish city of Dahuk, on August 10, 2014. (AFP Photo/Ahmad Al-Rubaye)
This file photo shows a chimney at an oilfield in Sheikhan, northeast of the city of Mosul in northern Iraq and near the Kurdish city of Dahuk, on August 10, 2014. (AFP Photo/Ahmad Al-Rubaye)