![French lookouts posted in a barbed-wire-covered trench. All sides in World War I used extensive networks of barbed wire entanglements to prevent ground troops from moving forward. : r/wwi French lookouts posted in a barbed-wire-covered trench. All sides in World War I used extensive networks of barbed wire entanglements to prevent ground troops from moving forward. : r/wwi](https://i.redd.it/ezqo50bdj4a81.jpg)
French lookouts posted in a barbed-wire-covered trench. All sides in World War I used extensive networks of barbed wire entanglements to prevent ground troops from moving forward. : r/wwi
![Chemin de Dames, Barbed Wire Entanglement - World War I Keystone View Company Stereograph Collection - Digital Archives & Collections Chemin de Dames, Barbed Wire Entanglement - World War I Keystone View Company Stereograph Collection - Digital Archives & Collections](https://xula.contentdm.oclc.org/digital/api/singleitem/image/p16948coll10/308/default.jpg)
Chemin de Dames, Barbed Wire Entanglement - World War I Keystone View Company Stereograph Collection - Digital Archives & Collections
Barbed wire entanglements at Carinya Post, a defence post east of the Suez Canal, Egypt. | Australian War Memorial
![Image of Electrified barbed-wire entanglements to prevent the escape of German prisoners, by English photographer, (20th century) (after) Image of Electrified barbed-wire entanglements to prevent the escape of German prisoners, by English photographer, (20th century) (after)](https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.XXX.2945690.7055475/962313.jpg)
Image of Electrified barbed-wire entanglements to prevent the escape of German prisoners, by English photographer, (20th century) (after)
![Japanese sentry among barbed wire entanglements, Tsingtao, November 1914 | Online Collection | National Army Museum, London Japanese sentry among barbed wire entanglements, Tsingtao, November 1914 | Online Collection | National Army Museum, London](https://collection.nam.ac.uk/images/960/143000-143999/143819.jpg)
Japanese sentry among barbed wire entanglements, Tsingtao, November 1914 | Online Collection | National Army Museum, London
![Image of WORLD WAR I: BARBED WIRE. - 'Formidable Wire Entanglement With A Frame Of Steel Bars Riveted Together And Sharply Pointed So As To Be Almost Impregnable.' Photographed During World War Image of WORLD WAR I: BARBED WIRE. - 'Formidable Wire Entanglement With A Frame Of Steel Bars Riveted Together And Sharply Pointed So As To Be Almost Impregnable.' Photographed During World War](https://www.granger.com/wmpix/war/ww1/0407933-WORLD-WAR-I-BARBED-WIRE-Formidable-wire-entanglement-with-a-frame-of-steel-bars-riveted-together-and-sharply-pointed-so-as-to-be-almost-impregnable-Photographed-during-World-War-I-1914-1918.jpg)
Image of WORLD WAR I: BARBED WIRE. - 'Formidable Wire Entanglement With A Frame Of Steel Bars Riveted Together And Sharply Pointed So As To Be Almost Impregnable.' Photographed During World War
![Russian barbed wire entanglements, Russo-Japanese War, 1904-5. Artist: Unknown # 1151240 - Heritage Images Russian barbed wire entanglements, Russo-Japanese War, 1904-5. Artist: Unknown # 1151240 - Heritage Images](https://d21cmcylgnyv91.cloudfront.net/2g7-AsM-ITaufOVsuvWffdA11Jg=/fit-in/640x640/filters:watermark(https://s3-eu-west-1.amazonaws.com/hip-static/newsite/misc/C_watermark_v4_italic.png,center,center,50)/1151240.jpg)