A member of the Iraqi counterterrorism forces stands by an Islamic State militants weapons factory in Falluja, Iraq, June 23, 2016. REUTERS/Thaier Al-Sudani TPX IMAGES OF THE DAY - RTX2HS5BShow moreShow less
A view shows a school that was used by Islamic State militants as a position in the northern Syrian rebel-controlled town of al-Rai, in Aleppo Governorate, Syria, September 27, 2016. REUTERS/Khalil Ashawi - RTSPPC8Show moreShow less
Burnt out prison cells belonging to Islamic State militants are seen in Falluja after government forces recaptured the city from Islamic State militants, Iraq, June 27, 2016. REUTERS/Thaier Al-Sudani TPX IMAGES OF THE DAY - RTX2IIXNShow moreShow less
A Syria Democratic Forces (SDF) fighter inspects a room, which according to the SDF was used by Islamic State militants to prepare explosives, in Manbij, Aleppo Governorate, Syria, August 17, 2016. REUTERS/Rodi Said - RTX2LKTLShow moreShow less
A tunnel used by Islamic State militants is seen in the town of Sinjar, Iraq December 1, 2015. REUTERS/Ari Jalal - RTX25ALXShow moreShow less
Tripods and a projector are pictured inside an ancient Hammam that was used by Islamic State militants as a media centre in Manbij, in Aleppo Governorate, Syria, August 16, 2016. REUTERS/Rodi Said - RTX2LBOVShow moreShow less
A view shows containers, which according to Syria Democratic Forces (SDF) fighters were used for making explosives by Islamic State militants, in Manbij, Aleppo Governorate, Syria, August 17, 2016. REUTERS/Rodi Said - RTX2LKTSShow moreShow less
A view shows the institution of religious law building that was used by Islamic State militants in the northern Syrian rebel-controlled town of al-Rai, in Aleppo Governorate, Syria, September 27, 2016. REUTERS/Khalil Ashawi - RTSPPCIShow moreShow less
A view shows car parts, which according to Syria Democratic Forces (SDF) fighters were used by Islamic State militants to prepare car bombs, at a workshop in Manbij, Aleppo Governorate, Syria, August 17, 2016. REUTERS/Rodi Said - RTX2LKTIShow moreShow less
Weapons that belonged to Islamic State militants are seen at an Iraqi army base in Camp Tariq near Falluja, Iraq, September 4, 2016. REUTERS/Khalid al Mousily - RTX2O34ZShow moreShow less
Explosives left behind by Islamic State militants are seen at a school, following clashes in Falluja, Iraq, June 25, 2016. REUTERS/Thaier Al-Sudani - RTX2I5X7Show moreShow less
A factory abandoned by Islamic State militants is seen in Falluja, Iraq, June 25, 2016. REUTERS/Thaier Al-Sudani - RTX2I5Z3Show moreShow less
A book belonging to Islamic State militants is seen in Falluja after government forces recaptured the city from Islamic State militants, Iraq, June 27, 2016. REUTERS/Thaier Al-Sudani - RTX2IIGUShow moreShow less
Syria Democratic Forces (SDF) fighters inspect bags of niqabs at a centre that was used by Islamic State religious police (al-Hisbah) in Manbij, Aleppo Governorate, Syria, August 16, 2016. REUTERS/Rodi Said - RTX2LBSDShow moreShow less
Image used for illustrative purpose only. Handcuffs are pictured inside a prison, which according to Syria Democratic Forces (SDF) fighters belonged to Islamic State militants, in Manbij, Aleppo Governorate, Syria, August 17, 2016. REUTERS/Rodi Said - RTX2LKTDShow moreShow less
Homemade mortars belonging to Islamic State militants are seen in the town of Gwer northern Iraq August 31, 2016. Picture taken August 31, 2016. REUTERS/Azad Lashkari - RTX2NT6AShow moreShow less
Members of Libyan forces allied with the U.N.-backed government neutralise explosives that they said were used by Islamic State militants, following a battle in Sirte, Libya September 5, 2016. REUTERS/Hani Amara - RTX2O8YDShow moreShow less
An Islamic State flag hangs on the wall of an abandoned building in Tel Hamis in Hasaka countryside after the Kurdish People's Protection Units (YPG) took control of the area March 1, 2015. Kurdish forces dealt a blow to Islamic State by capturing Tel Hamis, an important town, on Friday in the latest stage of a powerful offensive in northeast Syria, a Kurdish militia spokesman said. The capture of Tel Hamis was announced by the Kurdish YPG militia and confirmed by the Syrian Observatory for Human Rights, which monitors the country's civil war. REUTERS/Rodi Said Show moreShow less
Rocket-propelled grenades left behind by Islamic State militants are seen at a school, following clashes in Falluja, Iraq, June 25, 2016. REUTERS/Thaier Al-Sudani - RTX2I5Z5Show moreShow less
A view shows part of a media centre that belonged to Islamic State militants inside an ancient Hammam in Manbij, Aleppo Governorate, Syria, August 16, 2016. REUTERS/Rodi Said - RTX2LBQ3Show moreShow less
Blindfolds are pictured inside a prison, which according to Syria Democratic Forces (SDF) fighters belonged to Islamic State militants, in Manbij, Aleppo Governorate, Syria, August 17, 2016. REUTERS/Rodi Said - RTX2LKTJShow moreShow less
A mass grave for Islamic State militants are seen in Falluja, Iraq, September 4, 2016. REUTERS/Khalid al Mousily - RTX2O35CShow moreShow less
What Islamic State left behind
Sifting through the rubble of Islamic State's abandoned strongholds.