oil fields fire

IRAQ. Nineveh governorate. Near Qayyarah. November 25, 2016. An Iraqi shepherd watches over his flock of sheep, their fleece blackened by smoke from burning oil wells set ablaze by ISIS jihadists before retreating towards Mosul.

Photograph: Thomas Coex/AFP/Getty

IRAQ. Nineveh governorate. Qayyarah. November 9, 2016. Heavy smoke from burning oil wells set on fire by fleeing ISIS members blankets homes. Many families have begun returning to their homes in recently liberated towns south of Mosul.

Photograph: Chris McGrath/Getty

IRAQ. Nineveh governorate. Qayyarah. November 20, 2016. The sun cuts through the smoke as workers tasked with putting out the fire in an oil well, set ablaze by retreating Islamic State jihadis, assemble a water pipeline.

Photograph: Odd Andersen/Agence France-Presse/Getty Images