The cemetery exists because of a farmer named Remi Quaghebeur, or more precisely because his farm sat at exactly the right point on the map. Close enough to the Ypres front that wounded men could be brought back without dying on the road. Far enough that German field guns could not reach it. From late 1914, the French Army's 15th Hôpital d'Évacuation began burying men here who had not survived their wounds. By 1916 the British had taken over the sector, and Lijssenthoek had grown into the largest casualty clearing complex on the entire Western Front - four enormous evacuation hospitals strung along a spur of rail line, ambulance trains arriving day and night from Poperinge with men torn apart at Hill 60 and Passchendaele and the Menin Road.

Casualty clearing stations were not field dressing posts and not base hospitals. They were the middle place, where surgeons in canvas tents made the choices that decide whether war is survivable. A soldier arrived at Lijssenthoek already triaged once, on the battlefield. He was triaged again here - the lightly wounded patched and returned to the line, the gravely wounded operated on in long shifts under acetylene lamps, the dying made comfortable in the moribund ward. The names of those wards survive in the cemetery's record-keeping. Most of the men in Plot XVI died in the moribund ward in the late summer of 1917, during the Third Battle of Ypres, when the casualty rate overwhelmed every system designed to handle it.

Staff Nurse Nellie Spindler grew up in Wakefield, Yorkshire, the daughter of a police inspector. She joined Queen Alexandra's Imperial Military Nursing Service Reserve in 1915, served on hospital trains and in a base hospital at Étaples, and was finally sent to a forward casualty clearing station only days before her death. Her ward at CCS 44 was at Brandhoek, closer to the line than Lijssenthoek itself; she was buried here because this was the nearest large cemetery, and because there had to be somewhere to put her. Only one other woman from the British forces is buried at Lijssenthoek. Two German nurses lie here as well, brought across the line as prisoners and treated with the same care as the British wounded, and the same final dignity. The headstones do not distinguish between sides.

Walk the rows and the war becomes specific. Brigadier-General Alister Gordon, commanding the 153rd Infantry Brigade, killed by shellfire while inspecting his front line. Lieutenant John Raphael, who captained the British Lions rugby tour to Argentina in 1910. Lieutenant-Colonel Ronald Sanderson, gold medallist rower at the 1908 London Olympics. Major Frederick Tubb, who won the Victoria Cross at Lone Pine in 1915 and survived Gallipoli only to die of wounds two years later in Flanders. Major-General Malcolm Mercer of the 3rd Canadian Division. Private Harry King of the United States Army, one of the few Americans here, dead in the last months of the war. Members of the Chinese Labour Corps, who dug the trenches and salvaged the battlefields and whose Mandarin-inscribed headstones face east, toward home.

Sir Reginald Blomfield designed the cemetery in the same spare neoclassical language he used for the Menin Gate - a long approach, a cross of sacrifice, identical Portland stone headstones laid out with the geometric mercy that the Imperial War Graves Commission insisted upon. There is no hierarchy here. A general's headstone is the same height as a private's; only the regimental badge and the inscription differ. The visitor centre, opened in 2012, walks you through who arrived on which day, which hospital they died in, what their wound was. The detail is almost unbearable, and that is the point. These men were not numbers when they came through the gates on stretchers. They are not numbers now.