Footage of soldiers in a trench in the Argonne, loading guns and ducking for cover.
French artillery load guns.
Portuguese horse artillery in action on field.
Enormous gun sits on railway track while soldiers crank the barrel up.
Shell explosions and bombing on Western Front.
Soldiers in ruins of Cambrai, France during World War One.
Ruins of Arras Cathedral.
French soldiers on battlefield and in bunkers.
Soldier demonstrates how to put on the latest gas mask.
New recruits to French army depart on train during WW1.
Russian soldiers arrive by steam train at unidentified location.
80 dismantled Belgian train engines sent on trains from France to Russia.
French troops on the Western Front during WW1.
French gun battery on the Somme.
French soldiers march past Chateau Vaux in France, 1916.
British soldiers in trench warfare, including some genuine footage from the Battle of the Somme.
Tommies take over a section of the French line on the Somme.