Royal Engineers repairing a bridge.

From an album of 76 official photographs, 1916-1917. Associated with World War One, Western Front (1914-1918). During the ‘Hundred days’ (8 August to 11 November 1918), the Allies launched a series of offensives along the line which drove the Germans back. The units of the Royal Engineers played a vital role in assisting the armies advance. Their work included road and rail repairs and bridging rivers and canals.