It was an epic battle that has been commemorated in words, poetry and even a legendary Abba song, but 207 years to the day after troops clashed at Waterloo, a gruesome question remains: what happened to the dead?
While tens of thousands of men and horses died at the site in modern-day Belgium, few remains have been found, with amputated legs and a skeleton unearthed beneath a car park south of Brussels among the handful of discoveries.
The long-held explanation is grisly: according to reports made soon after the conflict, the bones were collected, pulverised and turned into fertiliser for agricultural use.
