Iraq Mosul

Tied decomposed body seen at the mass grave that was discovered on the outskirts of Hammam Al-Alil after it was liberated by Iraqi forces, Iraq, Saturday, November 12, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Men from Hammam Al-Alil city unload food and supplies that will be distributed to residents after the city was retaken by Iraqi forces, Iraq, Saturday, November 12, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Men from Hammam Al-Alil city unload food and supplies that will be distributed to residents after the city was retaken by Iraqi forces, Iraq, Saturday, November 12, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Oil fields burn in Al-Qayyarah, Iraq, Saturday, November 12, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

A family flee the fighting as oil fields burn in Al-Qayyarah, Iraq, Saturday, November 12, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Oil fields burn in Al-Qayyarah, Iraq, Saturday, November 12, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Refugees walk on the street of HassanSham campin the early morning, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Refugees walk on the street of HassanSham campin the early morning, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Kids play at the playground organised by NGO in Khazer camp, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Iraqi army Hummees drive with cloud of dust in Al-Samah district, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Residents of Mosul who fled the fighting with Iraqi army and ISIS wait to load the army trucks that will take them to the refugee camps from Al-Samah district, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Residents of Mosul who fled the fighting with Iraqi army and ISIS wait to load the army trucks that will take them to the refugee camps from Al-Samah district, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Residents of Mosul who fled the fighting with Iraqi army and ISIS wait to load the army trucks that will take them to the refugee camps from Al-Samah district, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Residents of Mosul who fled the fighting with Iraqi army and ISIS wait to load the army trucks that will take them to the refugee camps from Al-Samah district, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Residents of Mosul who fled the fighting with Iraqi army and ISIS board the army trucks that will take them to the refugee camps from Al-Samah district, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Male residents of Mosul who fled the fighting with Iraqi army and ISIS wait to be checked by Iraqi intelligence for fake IDs or any alliance with ISIS, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Kurdish peshmerga fighter controls the crowd of refugees from Mosul as they arrived to Khazer camp, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Refugees from Mosul unload their belongings from the bus as they arrived to Khazer camp, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Refugees from Mosul unload their belongings from the bus as they arrived to Khazer camp, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Refugees from Mosul unload their belongings from the bus as they arrived to Khazer camp, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Refugees from Mosul broke in tears as they reunited with relatives after fleeing the fighting in Mosul as they arrived to Khazer camp, Iraq, Sunday, November 13, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Refugees struggle to get bread from the local NGO that was distributing food to residents of Khazer camp, Iraq, Monday, November 14, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Refugees struggle to get bread from the local NGO that was distributing food to residents of Khazer camp, Iraq, Monday, November 14, 2016. (Photo Sergey Ponomarev for The New York Times)

Iraq Mosul

Refugees struggle to get bread from the local NGO that was distributing food to residents of Khazer camp, Iraq, Monday, November 14, 2016. (Photo Sergey Ponomarev for The New York Times)