WW1 - A photograph showing three Belgian soldiers positioned in their trench, and their machine-gun ready to fire. They wear gas masks to protect themselves against the asphyxiating gas attack tactics which are used by the enemy. Date: 1915

- Image ID: G3C2F6

WW1 - A photograph showing three Belgian soldiers positioned in their trench, and their machine-gun ready to fire. They wear gas masks to protect themselves against the asphyxiating gas attack tactics which are used by the enemy. Date: 1915

Chronicle / Alamy Stock Photo

Image ID: G3C2F6