President Donald Trump has ignited fierce backlash after ordering federal officials to remove one of America's most powerful Civil War photographs from national parks - the haunting 1863 image of an escaped slave's scarred back that helped turn public opinion against slavery.
The photograph, known as 'The Scourged Back', or 'The Scarred Back', shows a man identified as Peter (sometimes called Gordon) displaying horrific keloid scarring across his back from brutal whippings.
