Photos from Reuters news agency show how Islamic State (IS) terrorists take shelter and fight back in a guerrilla style.
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| Syrian rebel fighters stand outside the entrance to an IS tunnel that connects the northern Syrian city of al-Bab with Mount Aqeel - Photo: Reuters |
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| IS Arabic slogans painted on the wall of the tunnel area they used as a training camp on a hillside overlooking the Iraqi city of Mosul - Photo: Reuters |
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| Members of the Iraqi rapid response forces inspect an IS tunnel used as an underground training camp on a hillside overlooking Mosul, Iraq. Photo: Reuters |
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| Rebel fighters inspect a tunnel used by IS to connect two buildings in the northern Syrian city of al-Bab. |
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| Inside the tunnel in al-Bab city leading to Mount Aqeel - Photo: Reuters |
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| An Iraqi soldier stands next to the entrance of a tunnel that once belonged to IS in Talkeef district, north of Mosul city - Photo: Reuters |
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| Iraqi rapid reaction forces stand next to a tunnel dug inside a house in the Albu Saif area, south of Mosul city - Photo: Reuters |
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| Inside an IS tunnel in the suburb of Albu Saif, south of Mosul, an area recently recaptured by Iraqi forces - Photo: Reuters |
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| Iraqi soldiers look at an IS tunnel in a building destroyed after an airstrike in Mahana village, south of Mosul city, Iraq - Photo: Reuters |
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| An IS tunnel in the town of Sinjar, Iraq - Photo: Reuters |
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| An Iraqi soldier carries a gun through an IS tunnel in the village of Har Bardun, Iraq - Photo: Reuters |
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| IS tunnel in the suburbs of Falluja - Photo: Reuters |
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| Inside the IS group's tunnel in the town of Sinjar, Iraq. They had to use fans for ventilation - Photo: Reuters |
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| Entrance to an IS bunker in the Nogaij area of Fallujah, Iraq - Photo: Reuters |
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| IS's rudimentary tunnel in the town of Sinjar, Iraq - Photo: Reuters |
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| Mattresses left behind by IS militants in a bunker on the outskirts of Albu Saif, south of Mosul, Iraq - Photo: Reuters |
According to Tuoi Tre
