In life, horrible accidents can happen. Some people get get injuries to their faces which can seriously disfigure them.
In some cases, a face transplant may be performed to bring back their normal face as much as possible.
However, the face transplant procedure is still in an experimental stage.
The world's first full-face replant surgery was on nine year-old Sandeep Kaur, whose face was ripped off when her hair was caught in a thresher.
Below are several other previous face transplant cases :