Another image of Ben was digitally created to show how he might look aged 21.

BBC: Ben Needham disappearance: A 21-year-old mystery

The case, which was never closed, is now being reinvestigated by the Royal Military Police, with images supplied by the charity Missing People, which shows how Katrice could look now, aged 33.

BBC: Katrice Lee disappearance: Facebook abuse case in court

Biologically, the middle-aged human body does not look like something being left to slowly decay.

BBC: Viewpoint: Just what is middle age?