UNITED KINGDOM - MAY 04: Crayon lithograph by Claude Shepperson (1867-1921), from the 'Tending the Wounded' series, showing stretcher bearers beside a train loading the wounded into a four-berth ambulance. The British Army had a total of 1.6 million men wounded during WW1. (Photo by SSPL/Getty Images)
Getty Images

SSPL Science & Society Picture Library